data.js

const sets = {
	"<1300": [

		{
			"link": "http://codeforces.com/problemset/problem/69/A",
			"name": "Young Physicist",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/263/A",
			"name": "Beautiful Matrix",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/266/B",
			"name": "Queue at the School",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/32/B",
			"name": "Borze",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/271/A",
			"name": "Beautiful Year",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/275/A",
			"name": "Lights Out",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/59/A",
			"name": "Word",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/281/A",
			"name": "Word Capitalization",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/110/A",
			"name": "Nearly Lucky Number",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/266/A",
			"name": "Stones on the Table",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/80/A",
			"name": "Panoramix's Prediction",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/61/A",
			"name": "Ultra-Fast Mathematician",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/233/A",
			"name": "Perfect Permutation",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/144/A",
			"name": "Arrival of the General",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/200/B",
			"name": "Drinks",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/148/A",
			"name": "Insomnia cure",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/248/A",
			"name": "Cupboards",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/155/A",
			"name": "I_love_\\%username\\%",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/116/A",
			"name": "Tram",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/339/A",
			"name": "Helpful Maths",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/228/A",
			"name": "Is your horseshoe on the other hoof?",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/71/A",
			"name": "Way Too Long Words",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/236/A",
			"name": "Boy or Girl",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/141/A",
			"name": "Amusing Joke",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/151/A",
			"name": "Soft Drinking",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/133/A",
			"name": "HQ9+",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/112/A",
			"name": "Petya and Strings",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/231/A",
			"name": "Team",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/282/A",
			"name": "Bit++",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/227/B",
			"name": "Effective Approach",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/272/A",
			"name": "Dima and Friends",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/450/A",
			"name": "Jzzhu and Children",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/165/A",
			"name": "Supercentral Point",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/139/A",
			"name": "Petr and Book",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/224/A",
			"name": "Parallelepiped",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/34/A",
			"name": "Reconnaissance 2",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/318/A",
			"name": "Even Odds",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/205/A",
			"name": "Little Elephant and Rozdil",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/199/A",
			"name": "Hexadecimal's theorem",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/352/A",
			"name": "Jeff and Digits",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/339/B",
			"name": "Xenia and Ringroad",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/320/A",
			"name": "Magic Numbers",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/41/A",
			"name": "Translation",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/43/A",
			"name": "Football",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/215/A",
			"name": "Bicycle Chain",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/34/B",
			"name": "Sale",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/214/A",
			"name": "System of Equations",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/149/A",
			"name": "Business trip",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/208/A",
			"name": "Dubstep",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/219/A",
			"name": "k-String",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/124/A",
			"name": "The number of positions",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/96/A",
			"name": "Football",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/118/A",
			"name": "String Task",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/221/A",
			"name": "Little Elephant and Function",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/118/B",
			"name": "Present from Lena",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/230/A",
			"name": "Dragons",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/337/A",
			"name": "Puzzles",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/58/A",
			"name": "Chat room",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/218/B",
			"name": "Airport",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/445/A",
			"name": "DZY Loves Chessboard",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/459/B",
			"name": "Pashmak and Flowers",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/352/B",
			"name": "Jeff and Periods",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/276/B",
			"name": "Little Girl and Game",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/298/B",
			"name": "Sail",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/431/B",
			"name": "Shower Line",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/222/A",
			"name": "Shooshuns and Sequence",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/342/A",
			"name": "Xenia and Divisors",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/43/B",
			"name": "Letter",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/433/A",
			"name": "Kitahara Haruki's Gift",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/186/A",
			"name": "Comparing Strings",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/327/B",
			"name": "Hungry Sequence",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/242/B",
			"name": "Big Segment",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/258/A",
			"name": "Little Elephant and Bits",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/296/A",
			"name": "Yaroslav and Permutations",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/363/B",
			"name": "Fence",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/350/A",
			"name": "TL",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/246/B",
			"name": "Increase and Decrease",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/239/A",
			"name": "Two Bags of Potatoes",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/160/B",
			"name": "Unlucky Ticket",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/253/A",
			"name": "Boys and Girls",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/236/B",
			"name": "Easy Number Challenge",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/304/A",
			"name": "Pythagorean Theorem II",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/254/A",
			"name": "Cards with Numbers",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/353/A",
			"name": "Domino",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/349/A",
			"name": "Cinema Line",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/166/A",
			"name": "Rank List",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/189/A",
			"name": "Cut Ribbon",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/287/A",
			"name": "IQ Test",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/285/C",
			"name": "Building Permutation",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/433/B",
			"name": "Kuriyama Mirai's Stones",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/230/B",
			"name": "T-primes",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/368/B",
			"name": "Sereja and Suffixes",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/327/A",
			"name": "Flipping Game",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/237/A",
			"name": "Free Cash",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/289/B",
			"name": "Polo the Penguin and Matrix",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/450/B",
			"name": "Jzzhu and Sequences",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/462/B",
			"name": "Appleman and Card Game",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/451/B",
			"name": "Sort the Array",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/315/A",
			"name": "Sereja and Bottles",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/260/A",
			"name": "Adding Digits",
			"diff": "4"
		}

	],
	"13xx": [
		{
			"link": "http://codeforces.com/problemset/problem/144/A",
			"name": "Arrival of the General",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/263/A",
			"name": "Beautiful Matrix",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/61/A",
			"name": "Ultra-Fast Mathematician",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/104/A",
			"name": "Blackjack",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/133/A",
			"name": "HQ9+",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/155/A",
			"name": "I_love_\\%username\\%",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/112/A",
			"name": "Petya and Strings",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/129/A",
			"name": "Cookies",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/334/A",
			"name": "Candy Bags",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/200/B",
			"name": "Drinks",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/336/A",
			"name": "Vasily the Bear and Triangle",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/276/A",
			"name": "Lunch Rush",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/330/A",
			"name": "Cakeminator",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/266/A",
			"name": "Stones on the Table",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/282/A",
			"name": "Bit++",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/361/A",
			"name": "Levko and Table",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/69/A",
			"name": "Young Physicist",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/92/A",
			"name": "Chips",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/116/A",
			"name": "Tram",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/266/B",
			"name": "Queue at the School",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/71/A",
			"name": "Way Too Long Words",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/118/B",
			"name": "Present from Lena",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/352/A",
			"name": "Jeff and Digits",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/285/A",
			"name": "Slightly Decreasing Permutations",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/34/B",
			"name": "Sale",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/270/A",
			"name": "Fancy Fence",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/230/A",
			"name": "Dragons",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/124/A",
			"name": "The number of positions",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/41/A",
			"name": "Translation",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/168/A",
			"name": "Wizards and Demonstration",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/339/B",
			"name": "Xenia and Ringroad",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/205/A",
			"name": "Little Elephant and Rozdil",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/75/A",
			"name": "Life Without Zeros",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/43/A",
			"name": "Football",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/208/A",
			"name": "Dubstep",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/320/A",
			"name": "Magic Numbers",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/118/A",
			"name": "String Task",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/122/A",
			"name": "Lucky Division",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/300/A",
			"name": "Array",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/102/B",
			"name": "Sum of Digits",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/219/A",
			"name": "k-String",
			"diff": "2"
		},
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			"link": "http://codeforces.com/problemset/problem/337/A",
			"name": "Puzzles",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/27/A",
			"name": "Next Test",
			"diff": "3"
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		{
			"link": "http://codeforces.com/problemset/problem/456/A",
			"name": "Laptops",
			"diff": "3"
		},
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			"link": "http://codeforces.com/problemset/problem/459/A",
			"name": "Pashmak and Garden",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/121/A",
			"name": "Lucky Sum",
			"diff": "3"
		},
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			"link": "http://codeforces.com/problemset/problem/433/B",
			"name": "Kuriyama Mirai's Stones",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/433/A",
			"name": "Kitahara Haruki's Gift",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/365/B",
			"name": "The Fibonacci Segment",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/347/A",
			"name": "Difference Row",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/116/B",
			"name": "Little Pigs and Wolves",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/230/B",
			"name": "T-primes",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/342/A",
			"name": "Xenia and Divisors",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/277/A",
			"name": "Learning Languages",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/437/C",
			"name": "The Child and Toy",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/298/B",
			"name": "Sail",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/285/B",
			"name": "Find Marble",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/237/A",
			"name": "Free Cash",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/262/B",
			"name": "Roma and Changing Signs",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/476/B",
			"name": "Dreamoon and WiFi",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/272/C",
			"name": "Dima and Staircase",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/186/A",
			"name": "Comparing Strings",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/315/B",
			"name": "Sereja and Array",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/368/B",
			"name": "Sereja and Suffixes",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/459/B",
			"name": "Pashmak and Flowers",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/344/B",
			"name": "Simple Molecules",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/445/A",
			"name": "DZY Loves Chessboard",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/347/B",
			"name": "Fixed Points",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/327/B",
			"name": "Hungry Sequence",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/285/C",
			"name": "Building Permutation",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/330/B",
			"name": "Road Construction",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/276/B",
			"name": "Little Girl and Game",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/363/B",
			"name": "Fence",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/327/A",
			"name": "Flipping Game",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/189/A",
			"name": "Cut Ribbon",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/313/B",
			"name": "Ilya and Queries",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/460/B",
			"name": "Little Dima and Equation",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/467/C",
			"name": "George and Job",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/315/A",
			"name": "Sereja and Bottles",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/337/B",
			"name": "Routine Problem",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/371/C",
			"name": "Hamburgers",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/450/B",
			"name": "Jzzhu and Sequences",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/357/B",
			"name": "Flag Day",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/441/B",
			"name": "Valera and Fruits",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/371/B",
			"name": "Fox Dividing Cheese",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/358/A",
			"name": "Dima and Continuous Line",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/96/B",
			"name": "Lucky Numbers (easy)",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/300/B",
			"name": "Coach",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/322/B",
			"name": "Ciel and Flowers",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/431/C",
			"name": "k-Tree",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/332/B",
			"name": "Maximum Absurdity",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/363/C",
			"name": "Fixing Typos",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/479/C",
			"name": "Exams",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/455/A",
			"name": "Boredom",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/271/B",
			"name": "Prime Matrix",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/279/B",
			"name": "Books",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/276/C",
			"name": "Little Girl and Maximum Sum",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/166/E",
			"name": "Tetrahedron",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/282/C",
			"name": "XOR and OR",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/282/B",
			"name": "Painting Eggs",
			"diff": "4"
		}

	],
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			"link": "http://codeforces.com/problemset/problem/432/A",
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			"link": "http://codeforces.com/problemset/problem/110/A",
			"name": "Nearly Lucky Number",
			"diff": "1"
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			"link": "http://codeforces.com/problemset/problem/141/A",
			"name": "Amusing Joke",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/200/B",
			"name": "Drinks",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/71/A",
			"name": "Way Too Long Words",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/136/A",
			"name": "Presents",
			"diff": "1"
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		{
			"link": "http://codeforces.com/problemset/problem/276/A",
			"name": "Lunch Rush",
			"diff": "1"
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		{
			"link": "http://codeforces.com/problemset/problem/151/A",
			"name": "Soft Drinking",
			"diff": "1"
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		{
			"link": "http://codeforces.com/problemset/problem/236/A",
			"name": "Boy or Girl",
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			"link": "http://codeforces.com/problemset/problem/244/A",
			"name": "Dividing Orange",
			"diff": "1"
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		{
			"link": "http://codeforces.com/problemset/problem/266/B",
			"name": "Queue at the School",
			"diff": "1"
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		{
			"link": "http://codeforces.com/problemset/problem/133/A",
			"name": "HQ9+",
			"diff": "1"
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			"link": "http://codeforces.com/problemset/problem/155/A",
			"name": "I_love_\\%username\\%",
			"diff": "1"
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			"link": "http://codeforces.com/problemset/problem/330/A",
			"name": "Cakeminator",
			"diff": "1"
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			"link": "http://codeforces.com/problemset/problem/59/A",
			"name": "Word",
			"diff": "1"
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			"link": "http://codeforces.com/problemset/problem/266/A",
			"name": "Stones on the Table",
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			"link": "http://codeforces.com/problemset/problem/271/A",
			"name": "Beautiful Year",
			"diff": "1"
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			"link": "http://codeforces.com/problemset/problem/231/A",
			"name": "Team",
			"diff": "1"
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			"link": "http://codeforces.com/problemset/problem/148/A",
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			"diff": "1"
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			"link": "http://codeforces.com/problemset/problem/401/A",
			"name": "Vanya and Cards",
			"diff": "1"
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			"link": "http://codeforces.com/problemset/problem/116/A",
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			"diff": "1"
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			"link": "http://codeforces.com/problemset/problem/112/A",
			"name": "Petya and Strings",
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			"link": "http://codeforces.com/problemset/problem/300/A",
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			"link": "http://codeforces.com/problemset/problem/259/A",
			"name": "Little Elephant and Chess",
			"diff": "2"
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			"link": "http://codeforces.com/problemset/problem/208/A",
			"name": "Dubstep",
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			"link": "http://codeforces.com/problemset/problem/137/B",
			"name": "Permutation",
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			"link": "http://codeforces.com/problemset/problem/320/A",
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			"diff": "2"
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			"link": "http://codeforces.com/problemset/problem/242/A",
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			"link": "http://codeforces.com/problemset/problem/118/B",
			"name": "Present from Lena",
			"diff": "2"
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			"link": "http://codeforces.com/problemset/problem/152/A",
			"name": "Marks",
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			"link": "http://codeforces.com/problemset/problem/339/B",
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			"link": "http://codeforces.com/problemset/problem/122/A",
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			"link": "http://codeforces.com/problemset/problem/160/A",
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			"link": "http://codeforces.com/problemset/problem/41/A",
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			"link": "http://codeforces.com/problemset/problem/58/A",
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			"link": "http://codeforces.com/problemset/problem/96/A",
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			"link": "http://codeforces.com/problemset/problem/313/A",
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			"link": "http://codeforces.com/problemset/problem/224/A",
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			"link": "http://codeforces.com/problemset/problem/118/A",
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			"link": "http://codeforces.com/problemset/problem/219/A",
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			"link": "http://codeforces.com/problemset/problem/230/A",
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			"link": "http://codeforces.com/problemset/problem/337/A",
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			"link": "http://codeforces.com/problemset/problem/257/B",
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			"link": "http://codeforces.com/problemset/problem/239/A",
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			"link": "http://codeforces.com/problemset/problem/242/B",
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			"link": "http://codeforces.com/problemset/problem/459/B",
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			"link": "http://codeforces.com/problemset/problem/285/C",
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		{
			"link": "http://codeforces.com/problemset/problem/253/A",
			"name": "Boys and Girls",
			"diff": "3"
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		{
			"link": "http://codeforces.com/problemset/problem/349/A",
			"name": "Cinema Line",
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		{
			"link": "http://codeforces.com/problemset/problem/166/A",
			"name": "Rank List",
			"diff": "3"
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		{
			"link": "http://codeforces.com/problemset/problem/251/A",
			"name": "Points on Line",
			"diff": "3"
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		{
			"link": "http://codeforces.com/problemset/problem/276/B",
			"name": "Little Girl and Game",
			"diff": "3"
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		{
			"link": "http://codeforces.com/problemset/problem/453/A",
			"name": "Little Pony and Expected Maximum",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/222/B",
			"name": "Cosmic Tables",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/109/A",
			"name": "Lucky Sum of Digits",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/217/A",
			"name": "Ice Skating",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/368/B",
			"name": "Sereja and Suffixes",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/237/A",
			"name": "Free Cash",
			"diff": "3"
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		{
			"link": "http://codeforces.com/problemset/problem/414/B",
			"name": "Mashmokh and ACM",
			"diff": "3"
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		{
			"link": "http://codeforces.com/problemset/problem/353/A",
			"name": "Domino",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/327/B",
			"name": "Hungry Sequence",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/313/B",
			"name": "Ilya and Queries",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/363/B",
			"name": "Fence",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/230/B",
			"name": "T-primes",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/327/A",
			"name": "Flipping Game",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/189/A",
			"name": "Cut Ribbon",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/372/A",
			"name": "Counting Kangaroos is Fun",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/166/C",
			"name": "Median",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/322/B",
			"name": "Ciel and Flowers",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/492/C",
			"name": "Vanya and Exams",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/363/C",
			"name": "Fixing Typos",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/235/A",
			"name": "LCM Challenge",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/118/D",
			"name": "Caesar's Legions",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/339/D",
			"name": "Xenia and Bit Operations",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/276/C",
			"name": "Little Girl and Maximum Sum",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/486/C",
			"name": "Palindrome Transformation",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/224/B",
			"name": "Array",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/485/A",
			"name": "Factory",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/320/B",
			"name": "Ping-Pong (Easy Version)",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/337/B",
			"name": "Routine Problem",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/340/C",
			"name": "Tourist Problem",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/219/C",
			"name": "Color Stripe",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/377/A",
			"name": "Maze",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/441/C",
			"name": "Valera and Tubes",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/289/B",
			"name": "Polo the Penguin and Matrix",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/455/A",
			"name": "Boredom",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/192/A",
			"name": "Funky Numbers",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/467/C",
			"name": "George and Job",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/339/C",
			"name": "Xenia and Weights",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/253/B",
			"name": "Physics Practical",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/454/B",
			"name": "Little Pony and Sort by Shift",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/350/C",
			"name": "Bombs",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/466/C",
			"name": "Number of Ways",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/401/C",
			"name": "Team",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/165/C",
			"name": "Another Problem on Strings",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/349/B",
			"name": "Color the Fence",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/166/E",
			"name": "Tetrahedron",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/431/C",
			"name": "k-Tree",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/493/C",
			"name": "Vasya and Basketball",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/463/C",
			"name": "Gargari and Bishops",
			"diff": "5"
		}

	],
	"15xx": [

		{
			"link": "http://codeforces.com/problemset/problem/136/A",
			"name": "Presents",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/110/A",
			"name": "Nearly Lucky Number",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/112/A",
			"name": "Petya and Strings",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/116/A",
			"name": "Tram",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/61/A",
			"name": "Ultra-Fast Mathematician",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/141/A",
			"name": "Amusing Joke",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/71/A",
			"name": "Way Too Long Words",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/339/B",
			"name": "Xenia and Ringroad",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/285/A",
			"name": "Slightly Decreasing Permutations",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/96/A",
			"name": "Football",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/463/B",
			"name": "Caisa and Pylons",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/118/B",
			"name": "Present from Lena",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/219/A",
			"name": "k-String",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/270/A",
			"name": "Fancy Fence",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/58/A",
			"name": "Chat room",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/501/A",
			"name": "Contest",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/160/A",
			"name": "Twins",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/337/A",
			"name": "Puzzles",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/118/A",
			"name": "String Task",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/437/C",
			"name": "The Child and Toy",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/363/B",
			"name": "Fence",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/230/B",
			"name": "T-primes",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/166/A",
			"name": "Rank List",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/388/A",
			"name": "Fox and Box Accumulation",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/349/A",
			"name": "Cinema Line",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/264/A",
			"name": "Escape from Stones",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/456/A",
			"name": "Laptops",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/258/A",
			"name": "Little Elephant and Bits",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/327/A",
			"name": "Flipping Game",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/414/B",
			"name": "Mashmokh and ACM",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/272/C",
			"name": "Dima and Staircase",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/285/C",
			"name": "Building Permutation",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/313/B",
			"name": "Ilya and Queries",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/433/B",
			"name": "Kuriyama Mirai's Stones",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/115/A",
			"name": "Party",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/217/A",
			"name": "Ice Skating",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/189/A",
			"name": "Cut Ribbon",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/416/C",
			"name": "Booking System",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/510/C",
			"name": "Fox And Names",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/510/B",
			"name": "Fox And Two Dots",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/152/C",
			"name": "Pocket Book",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/224/B",
			"name": "Array",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/279/C",
			"name": "Ladder",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/550/C",
			"name": "Divisibility by Eight",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/220/A",
			"name": "Little Elephant and Problem",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/322/B",
			"name": "Ciel and Flowers",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/275/B",
			"name": "Convex Shape",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/377/A",
			"name": "Maze",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/257/C",
			"name": "View Angle",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/505/C",
			"name": "Mr. Kitayuta, the Treasure Hunter",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/332/B",
			"name": "Maximum Absurdity",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/219/C",
			"name": "Color Stripe",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/427/C",
			"name": "Checkposts",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/501/C",
			"name": "Misha and Forest",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/443/B",
			"name": "Kolya and Tandem Repeat",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/508/C",
			"name": "Anya and Ghosts",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/496/C",
			"name": "Removing Columns",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/300/C",
			"name": "Beautiful Numbers",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/493/D",
			"name": "Vasya and Chess",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/371/C",
			"name": "Hamburgers",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/246/D",
			"name": "Colorful Graph",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/231/C",
			"name": "To Add or Not to Add",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/339/D",
			"name": "Xenia and Bit Operations",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/276/D",
			"name": "Little Girl and Maximum XOR",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/382/C",
			"name": "Arithmetic Progression",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/483/B",
			"name": "Friends and Presents",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/225/C",
			"name": "Barcode",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/339/C",
			"name": "Xenia and Weights",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/460/B",
			"name": "Little Dima and Equation",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/479/D",
			"name": "Long Jumps",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/166/E",
			"name": "Tetrahedron",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/253/B",
			"name": "Physics Practical",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/455/A",
			"name": "Boredom",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/441/C",
			"name": "Valera and Tubes",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/369/C",
			"name": "Valera and Elections",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/276/C",
			"name": "Little Girl and Maximum Sum",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/467/C",
			"name": "George and Job",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/478/C",
			"name": "Table Decorations",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/431/C",
			"name": "k-Tree",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/349/B",
			"name": "Color the Fence",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/289/B",
			"name": "Polo the Penguin and Matrix",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/165/C",
			"name": "Another Problem on Strings",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/479/C",
			"name": "Exams",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/118/D",
			"name": "Caesar's Legions",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/268/C",
			"name": "Beautiful Sets of Points",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/455/A",
			"name": "Boredom",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/466/C",
			"name": "Number of Ways",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/519/D",
			"name": "A and B and Interesting Substrings",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/486/D",
			"name": "Valid Sets",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/439/C",
			"name": "Devu and Partitioning of the Array",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/271/D",
			"name": "Good Substrings",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/466/B",
			"name": "Wonder Room",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/460/C",
			"name": "Present",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/448/C",
			"name": "Painting Fence",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/493/C",
			"name": "Vasya and Basketball",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/385/C",
			"name": "Bear and Prime Numbers",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/404/C",
			"name": "Restore Graph",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/463/C",
			"name": "Gargari and Bishops",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/448/D",
			"name": "Multiplication Table",
			"diff": "5"
		}

	],
	"16xx": [

		{
			"link": "http://codeforces.com/problemset/problem/236/A",
			"name": "Boy or Girl",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/263/A",
			"name": "Beautiful Matrix",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/231/A",
			"name": "Team",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/112/A",
			"name": "Petya and Strings",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/344/A",
			"name": "Magnets",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/69/A",
			"name": "Young Physicist",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/281/A",
			"name": "Word Capitalization",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/282/A",
			"name": "Bit++",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/71/A",
			"name": "Way Too Long Words",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/318/A",
			"name": "Even Odds",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/208/A",
			"name": "Dubstep",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/339/B",
			"name": "Xenia and Ringroad",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/96/A",
			"name": "Football",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/214/A",
			"name": "System of Equations",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/122/A",
			"name": "Lucky Division",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/230/A",
			"name": "Dragons",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/337/A",
			"name": "Puzzles",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/58/A",
			"name": "Chat room",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/476/B",
			"name": "Dreamoon and WiFi",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/217/A",
			"name": "Ice Skating",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/277/A",
			"name": "Learning Languages",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/230/B",
			"name": "T-primes",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/363/B",
			"name": "Fence",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/115/A",
			"name": "Party",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/285/C",
			"name": "Building Permutation",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/295/A",
			"name": "Greg and Array",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/189/A",
			"name": "Cut Ribbon",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/332/B",
			"name": "Maximum Absurdity",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/493/D",
			"name": "Vasya and Chess",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/340/D",
			"name": "Bubble Sort Graph",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/75/C",
			"name": "Modified GCD",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/486/C",
			"name": "Palindrome Transformation",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/348/A",
			"name": "Mafia",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/231/C",
			"name": "To Add or Not to Add",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/255/C",
			"name": "Almost Arithmetical Progression",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/446/A",
			"name": "DZY Loves Sequences",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/313/C",
			"name": "Ilya and Matrix",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/253/B",
			"name": "Physics Practical",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/182/D",
			"name": "Common Divisors",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/369/C",
			"name": "Valera and Elections",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/282/C",
			"name": "XOR and OR",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/349/B",
			"name": "Color the Fence",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/246/D",
			"name": "Colorful Graph",
			"diff": "4"
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		{
			"link": "http://codeforces.com/problemset/problem/455/A",
			"name": "Boredom",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/214/B",
			"name": "Hometask",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/431/C",
			"name": "k-Tree",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/350/C",
			"name": "Bombs",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/300/C",
			"name": "Beautiful Numbers",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/294/B",
			"name": "Shaass and Bookshelf",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/126/B",
			"name": "Password",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/363/C",
			"name": "Fixing Typos",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/274/B",
			"name": "Zero Tree",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/287/B",
			"name": "Pipeline",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/269/B",
			"name": "Greenhouse Effect",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/371/C",
			"name": "Hamburgers",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/276/D",
			"name": "Little Girl and Maximum XOR",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/358/D",
			"name": "Dima and Hares",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/165/C",
			"name": "Another Problem on Strings",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/283/A",
			"name": "Cows and Sequence",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/276/C",
			"name": "Little Girl and Maximum Sum",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/416/C",
			"name": "Booking System",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/225/C",
			"name": "Barcode",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/382/C",
			"name": "Arithmetic Progression",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/279/C",
			"name": "Ladder",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/118/D",
			"name": "Caesar's Legions",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/339/D",
			"name": "Xenia and Bit Operations",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/166/E",
			"name": "Tetrahedron",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/467/C",
			"name": "George and Job",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/264/B",
			"name": "Good Sequences",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/339/C",
			"name": "Xenia and Weights",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/295/B",
			"name": "Greg and Graph",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/466/C",
			"name": "Number of Ways",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/359/D",
			"name": "Pair of Numbers",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/466/B",
			"name": "Wonder Room",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/459/D",
			"name": "Pashmak and Parmida's problem",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/540/C",
			"name": "Ice Cave",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/439/D",
			"name": "Devu and his Brother",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/400/D",
			"name": "Dima and Bacteria",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/514/C",
			"name": "Watto and Mechanism",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/404/C",
			"name": "Restore Graph",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/479/E",
			"name": "Riding in a Lift",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/451/D",
			"name": "Count Good Substrings",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/401/D",
			"name": "Roman and Numbers",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/219/D",
			"name": "Choosing Capital for Treeland",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/439/C",
			"name": "Devu and Partitioning of the Array",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/486/D",
			"name": "Valid Sets",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/471/D",
			"name": "MUH and Cube Walls",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/448/C",
			"name": "Painting Fence",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/242/E",
			"name": "XOR on Segment",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/371/D",
			"name": "Vessels",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/540/D",
			"name": "Bad Luck Island",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/448/D",
			"name": "Multiplication Table",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/478/D",
			"name": "Red-Green Towers",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/459/C",
			"name": "Pashmak and Buses",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/148/D",
			"name": "Bag of mice",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/463/C",
			"name": "Gargari and Bishops",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/463/D",
			"name": "Gargari and Permutations",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/514/D",
			"name": "R2D2 and Droid Army",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/385/C",
			"name": "Bear and Prime Numbers",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/271/D",
			"name": "Good Substrings",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/334/A",
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		{
			"link": "http://codeforces.com/problemset/problem/59/A",
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			"link": "http://codeforces.com/problemset/problem/476/A",
			"name": "Dreamoon and Stairs",
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		},
		{
			"link": "http://codeforces.com/problemset/problem/189/A",
			"name": "Cut Ribbon",
			"diff": "3"
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			"link": "http://codeforces.com/problemset/problem/230/B",
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		{
			"link": "http://codeforces.com/problemset/problem/217/A",
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		{
			"link": "http://codeforces.com/problemset/problem/258/A",
			"name": "Little Elephant and Bits",
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			"link": "http://codeforces.com/problemset/problem/476/B",
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			"link": "http://codeforces.com/problemset/problem/295/A",
			"name": "Greg and Array",
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		{
			"link": "http://codeforces.com/problemset/problem/478/C",
			"name": "Table Decorations",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/427/C",
			"name": "Checkposts",
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			"link": "http://codeforces.com/problemset/problem/369/C",
			"name": "Valera and Elections",
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			"link": "http://codeforces.com/problemset/problem/319/B",
			"name": "Psychos in a Line",
			"diff": "4"
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			"link": "http://codeforces.com/problemset/problem/372/B",
			"name": "Counting Rectangles is Fun",
			"diff": "4"
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			"link": "http://codeforces.com/problemset/problem/363/D",
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			"link": "http://codeforces.com/problemset/problem/494/A",
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			"link": "http://codeforces.com/problemset/problem/446/A",
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			"link": "http://codeforces.com/problemset/problem/349/B",
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			"link": "http://codeforces.com/problemset/problem/274/B",
			"name": "Zero Tree",
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			"link": "http://codeforces.com/problemset/problem/242/C",
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			"link": "http://codeforces.com/problemset/problem/482/B",
			"name": "Interesting Array",
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			"link": "http://codeforces.com/problemset/problem/269/B",
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			"link": "http://codeforces.com/problemset/problem/243/A",
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			"link": "http://codeforces.com/problemset/problem/111/B",
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			"link": "http://codeforces.com/problemset/problem/364/A",
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			"link": "http://codeforces.com/problemset/problem/225/C",
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			"link": "http://codeforces.com/problemset/problem/219/C",
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			"link": "http://codeforces.com/problemset/problem/339/D",
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			"link": "http://codeforces.com/problemset/problem/204/B",
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			"link": "http://codeforces.com/problemset/problem/431/C",
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			"diff": "4"
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			"link": "http://codeforces.com/problemset/problem/126/B",
			"name": "Password",
			"diff": "4"
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			"link": "http://codeforces.com/problemset/problem/271/D",
			"name": "Good Substrings",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/551/C",
			"name": "GukiZ hates Boxes",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/550/D",
			"name": "Regular Bridge",
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			"link": "http://codeforces.com/problemset/problem/471/D",
			"name": "MUH and Cube Walls",
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			"link": "http://codeforces.com/problemset/problem/453/B",
			"name": "Little Pony and Harmony Chest",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/380/C",
			"name": "Sereja and Brackets",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/494/B",
			"name": "Obsessive String",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/463/C",
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			"link": "http://codeforces.com/problemset/problem/461/B",
			"name": "Appleman and Tree",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/546/D",
			"name": "Soldier and Number Game",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/109/C",
			"name": "Lucky Tree",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/144/D",
			"name": "Missile Silos",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/367/C",
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			"link": "http://codeforces.com/problemset/problem/61/E",
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			"link": "http://codeforces.com/problemset/problem/519/D",
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			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/559/B",
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			"link": "http://codeforces.com/problemset/problem/337/D",
			"name": "Book of Evil",
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			"link": "http://codeforces.com/problemset/problem/400/D",
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			"link": "http://codeforces.com/problemset/problem/460/C",
			"name": "Present",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/321/C",
			"name": "Ciel the Commander",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/459/C",
			"name": "Pashmak and Buses",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/459/D",
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			"link": "http://codeforces.com/problemset/problem/451/D",
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			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/337/D",
			"name": "Book of Evil",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/455/C",
			"name": "Civilization",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/448/C",
			"name": "Painting Fence",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/519/E",
			"name": "A and B and Lecture Rooms",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/343/D",
			"name": "Water Tree",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/264/C",
			"name": "Choosing Balls",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/514/C",
			"name": "Watto and Mechanism",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/448/D",
			"name": "Multiplication Table",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/333/D",
			"name": "Characteristics of Rectangles",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/346/B",
			"name": "Lucky Common Subsequence",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/432/D",
			"name": "Prefixes and Suffixes",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/367/B",
			"name": "Sereja ans Anagrams",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/242/E",
			"name": "XOR on Segment",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/148/E",
			"name": "Porcelain",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/439/D",
			"name": "Devu and his Brother",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/61/D",
			"name": "Eternal Victory",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/478/D",
			"name": "Red-Green Towers",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/219/D",
			"name": "Choosing Capital for Treeland",
			"diff": "5"
		},
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			"link": "http://codeforces.com/problemset/problem/401/D",
			"name": "Roman and Numbers",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/371/D",
			"name": "Vessels",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/383/C",
			"name": "Propagating tree",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/148/D",
			"name": "Bag of mice",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/455/B",
			"name": "A Lot of Games",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/359/D",
			"name": "Pair of Numbers",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/459/E",
			"name": "Pashmak and Graph",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/113/B",
			"name": "Petr#",
			"diff": "6"
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		{
			"link": "http://codeforces.com/problemset/problem/438/D",
			"name": "The Child and Sequence",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/354/C",
			"name": "Vasya and Beautiful Arrays",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/276/E",
			"name": "Little Girl and Problem on Trees",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/383/D",
			"name": "Antimatter",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/570/D",
			"name": "Tree Requests",
			"diff": "6"
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			"link": "http://codeforces.com/problemset/problem/443/A",
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			"link": "http://codeforces.com/problemset/problem/71/A",
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			"diff": "1"
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			"link": "http://codeforces.com/problemset/problem/69/A",
			"name": "Young Physicist",
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		{
			"link": "http://codeforces.com/problemset/problem/384/A",
			"name": "Coder",
			"diff": "1"
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		{
			"link": "http://codeforces.com/problemset/problem/373/A",
			"name": "Collecting Beats is Fun",
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		},
		{
			"link": "http://codeforces.com/problemset/problem/389/B",
			"name": "Fox and Cross",
			"diff": "3"
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		{
			"link": "http://codeforces.com/problemset/problem/312/B",
			"name": "Archer",
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			"link": "http://codeforces.com/problemset/problem/368/B",
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			"link": "http://codeforces.com/problemset/problem/279/C",
			"name": "Ladder",
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			"link": "http://codeforces.com/problemset/problem/349/B",
			"name": "Color the Fence",
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			"link": "http://codeforces.com/problemset/problem/354/A",
			"name": "Vasya and Robot",
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			"link": "http://codeforces.com/problemset/problem/191/C",
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			"link": "http://codeforces.com/problemset/problem/358/D",
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			"link": "http://codeforces.com/problemset/problem/339/C",
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			"link": "http://codeforces.com/problemset/problem/374/C",
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			"link": "http://codeforces.com/problemset/problem/283/A",
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			"link": "http://codeforces.com/problemset/problem/295/B",
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			"link": "http://codeforces.com/problemset/problem/466/C",
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			"link": "http://codeforces.com/problemset/problem/429/B",
			"name": "Working out",
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			"link": "http://codeforces.com/problemset/problem/343/C",
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			"link": "http://codeforces.com/problemset/problem/283/B",
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			"link": "http://codeforces.com/problemset/problem/235/A",
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			"link": "http://codeforces.com/problemset/problem/340/D",
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			"link": "http://codeforces.com/problemset/problem/300/C",
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			"link": "http://codeforces.com/problemset/problem/372/A",
			"name": "Counting Kangaroos is Fun",
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			"link": "http://codeforces.com/problemset/problem/276/C",
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			"link": "http://codeforces.com/problemset/problem/276/D",
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			"link": "http://codeforces.com/problemset/problem/464/A",
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			"link": "http://codeforces.com/problemset/problem/467/C",
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			"link": "http://codeforces.com/problemset/problem/364/A",
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			"link": "http://codeforces.com/problemset/problem/71/C",
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			"link": "http://codeforces.com/problemset/problem/274/B",
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			"link": "http://codeforces.com/problemset/problem/375/B",
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			"link": "http://codeforces.com/problemset/problem/126/B",
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			"link": "http://codeforces.com/problemset/problem/451/D",
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			"link": "http://codeforces.com/problemset/problem/401/D",
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			"link": "http://codeforces.com/problemset/problem/400/D",
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			"link": "http://codeforces.com/problemset/problem/455/C",
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			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/61/E",
			"name": "Enemy is weak",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/366/C",
			"name": "Dima and Salad",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/220/B",
			"name": "Little Elephant and Array",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/359/C",
			"name": "Prime Number",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/432/D",
			"name": "Prefixes and Suffixes",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/455/B",
			"name": "A Lot of Games",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/321/C",
			"name": "Ciel the Commander",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/448/C",
			"name": "Painting Fence",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/507/E",
			"name": "Breaking Good",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/61/D",
			"name": "Eternal Victory",
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			"link": "http://codeforces.com/problemset/problem/242/E",
			"name": "XOR on Segment",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/314/C",
			"name": "Sereja and Subsequences",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/360/B",
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			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/463/D",
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			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/372/C",
			"name": "Watching Fireworks is Fun",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/486/D",
			"name": "Valid Sets",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/459/D",
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			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/484/B",
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			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/459/E",
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			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/388/C",
			"name": "Fox and Card Game",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/487/B",
			"name": "Strip",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/383/C",
			"name": "Propagating tree",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/282/E",
			"name": "Sausage Maximization",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/367/B",
			"name": "Sereja ans Anagrams",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/271/D",
			"name": "Good Substrings",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/461/B",
			"name": "Appleman and Tree",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/471/D",
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			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/359/D",
			"name": "Pair of Numbers",
			"diff": "5"
		},
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			"link": "http://codeforces.com/problemset/problem/380/C",
			"name": "Sereja and Brackets",
			"diff": "5"
		},
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			"link": "http://codeforces.com/problemset/problem/343/D",
			"name": "Water Tree",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/383/D",
			"name": "Antimatter",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/486/E",
			"name": "LIS of Sequence",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/507/D",
			"name": "The Maths Lecture",
			"diff": "6"
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			"link": "http://codeforces.com/problemset/problem/346/C",
			"name": "Number Transformation II",
			"diff": "6"
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			"link": "http://codeforces.com/problemset/problem/362/D",
			"name": "Fools and Foolproof Roads",
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			"link": "http://codeforces.com/problemset/problem/145/E",
			"name": "Lucky Queries",
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			"link": "http://codeforces.com/problemset/problem/463/E",
			"name": "Caisa and Tree",
			"diff": "6"
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			"link": "http://codeforces.com/problemset/problem/369/D",
			"name": "Valera and Fools",
			"diff": "6"
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			"link": "http://codeforces.com/problemset/problem/208/E",
			"name": "Blood Cousins",
			"diff": "6"
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			"link": "http://codeforces.com/problemset/problem/466/E",
			"name": "Information Graph",
			"diff": "6"
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			"link": "http://codeforces.com/problemset/problem/354/C",
			"name": "Vasya and Beautiful Arrays",
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			"link": "http://codeforces.com/problemset/problem/276/E",
			"name": "Little Girl and Problem on Trees",
			"diff": "6"
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			"link": "http://codeforces.com/problemset/problem/369/E",
			"name": "Valera and Queries",
			"diff": "6"
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			"link": "http://codeforces.com/problemset/problem/301/D",
			"name": "Yaroslav and Divisors",
			"diff": "6"
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			"link": "http://codeforces.com/problemset/problem/294/E",
			"name": "Shaass the Great",
			"diff": "7"
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			"link": "http://codeforces.com/problemset/problem/375/D",
			"name": "Tree and Queries",
			"diff": "7"
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			"link": "http://codeforces.com/problemset/problem/342/E",
			"name": "Xenia and Tree",
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			"link": "http://codeforces.com/problemset/problem/405/A",
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			"link": "http://codeforces.com/problemset/problem/454/A",
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		},
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			"link": "http://codeforces.com/problemset/problem/443/A",
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			"link": "http://codeforces.com/problemset/problem/58/A",
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			"link": "http://codeforces.com/problemset/problem/460/A",
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			"link": "http://codeforces.com/problemset/problem/469/A",
			"name": "I Wanna Be the Guy",
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			"link": "http://codeforces.com/problemset/problem/479/A",
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			"link": "http://codeforces.com/problemset/problem/466/B",
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			"link": "http://codeforces.com/problemset/problem/439/C",
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			"link": "http://codeforces.com/problemset/problem/559/C",
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			"link": "http://codeforces.com/problemset/problem/372/C",
			"name": "Watching Fireworks is Fun",
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			"link": "http://codeforces.com/problemset/problem/351/A",
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			"link": "http://codeforces.com/problemset/problem/448/C",
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			"link": "http://codeforces.com/problemset/problem/455/C",
			"name": "Civilization",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/242/E",
			"name": "XOR on Segment",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/432/D",
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			"link": "http://codeforces.com/problemset/problem/461/B",
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			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/61/E",
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			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/449/B",
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			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/464/C",
			"name": "Substitutes in Number",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/220/B",
			"name": "Little Elephant and Array",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/459/E",
			"name": "Pashmak and Graph",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/383/C",
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			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/427/D",
			"name": "Match & Catch",
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			"link": "http://codeforces.com/problemset/problem/558/E",
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			"diff": "6"
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		{
			"link": "http://codeforces.com/problemset/problem/487/C",
			"name": "Prefix Product Sequence",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/354/C",
			"name": "Vasya and Beautiful Arrays",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/543/D",
			"name": "Road Improvement",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/570/D",
			"name": "Tree Requests",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/425/D",
			"name": "Sereja and Squares",
			"diff": "6"
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			"link": "http://codeforces.com/problemset/problem/486/E",
			"name": "LIS of Sequence",
			"diff": "6"
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			"link": "http://codeforces.com/problemset/problem/449/D",
			"name": "Jzzhu and Numbers",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/377/C",
			"name": "Captains Mode",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/547/C",
			"name": "Mike and Foam",
			"diff": "6"
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		{
			"link": "http://codeforces.com/problemset/problem/439/E",
			"name": "Devu and Birthday Celebration",
			"diff": "6"
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		{
			"link": "http://codeforces.com/problemset/problem/149/E",
			"name": "Martian Strings",
			"diff": "6"
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			"link": "http://codeforces.com/problemset/problem/406/D",
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			"link": "http://codeforces.com/problemset/problem/383/D",
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			"link": "http://codeforces.com/problemset/problem/429/D",
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			"diff": "6"
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		{
			"link": "http://codeforces.com/problemset/problem/438/D",
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			"link": "http://codeforces.com/problemset/problem/508/D",
			"name": "Tanya and Password",
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			"link": "http://codeforces.com/problemset/problem/467/D",
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			"link": "http://codeforces.com/problemset/problem/342/E",
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			"link": "http://codeforces.com/problemset/problem/446/C",
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			"link": "http://codeforces.com/problemset/problem/557/E",
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		{
			"link": "http://codeforces.com/problemset/problem/484/D",
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			"link": "http://codeforces.com/problemset/problem/375/D",
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			"link": "http://codeforces.com/problemset/problem/455/D",
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			"link": "http://codeforces.com/problemset/problem/476/B",
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			"link": "http://codeforces.com/problemset/problem/488/A",
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			"link": "http://codeforces.com/problemset/problem/264/B",
			"name": "Good Sequences",
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		{
			"link": "http://codeforces.com/problemset/problem/407/B",
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			"link": "http://codeforces.com/problemset/problem/375/B",
			"name": "Maximum Submatrix 2",
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		{
			"link": "http://codeforces.com/problemset/problem/527/C",
			"name": "Glass Carving",
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			"link": "http://codeforces.com/problemset/problem/485/A",
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		{
			"link": "http://codeforces.com/problemset/problem/466/C",
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			"link": "http://codeforces.com/problemset/problem/492/C",
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			"link": "http://codeforces.com/problemset/problem/515/D",
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			"link": "http://codeforces.com/problemset/problem/590/C",
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			"link": "http://codeforces.com/problemset/problem/453/B",
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			"link": "http://codeforces.com/problemset/problem/492/D",
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			"link": "http://codeforces.com/problemset/problem/321/C",
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			"link": "http://codeforces.com/problemset/problem/359/D",
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			"link": "http://codeforces.com/problemset/problem/466/B",
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			"link": "http://codeforces.com/problemset/problem/402/D",
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			"link": "http://codeforces.com/problemset/problem/464/B",
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			"link": "http://codeforces.com/problemset/problem/145/C",
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			"link": "http://codeforces.com/problemset/problem/220/B",
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			"link": "http://codeforces.com/problemset/problem/487/B",
			"name": "Strip",
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			"link": "http://codeforces.com/problemset/problem/380/C",
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			"link": "http://codeforces.com/problemset/problem/468/B",
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			"link": "http://codeforces.com/problemset/problem/514/C",
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			"link": "http://codeforces.com/problemset/problem/464/C",
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			"link": "http://codeforces.com/problemset/problem/455/B",
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			"link": "http://codeforces.com/problemset/problem/449/B",
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			"link": "http://codeforces.com/problemset/problem/346/C",
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			"link": "http://codeforces.com/problemset/problem/514/E",
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			"link": "http://codeforces.com/problemset/problem/448/E",
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			"link": "http://codeforces.com/problemset/problem/377/C",
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			"link": "http://codeforces.com/problemset/problem/547/A",
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			"link": "http://codeforces.com/problemset/problem/558/E",
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			"link": "http://codeforces.com/problemset/problem/439/E",
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			"link": "http://codeforces.com/problemset/problem/498/D",
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			"link": "http://codeforces.com/problemset/problem/427/D",
			"name": "Match & Catch",
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			"link": "http://codeforces.com/problemset/problem/444/B",
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			"link": "http://codeforces.com/problemset/problem/438/D",
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			"link": "http://codeforces.com/problemset/problem/354/C",
			"name": "Vasya and Beautiful Arrays",
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			"link": "http://codeforces.com/problemset/problem/403/D",
			"name": "Beautiful Pairs of Numbers",
			"diff": "6"
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			"link": "http://codeforces.com/problemset/problem/429/D",
			"name": "Tricky Function",
			"diff": "6"
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		{
			"link": "http://codeforces.com/problemset/problem/383/D",
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			"link": "http://codeforces.com/problemset/problem/444/C",
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			"link": "http://codeforces.com/problemset/problem/466/E",
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			"link": "http://codeforces.com/problemset/problem/449/D",
			"name": "Jzzhu and Numbers",
			"diff": "6"
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		{
			"link": "http://codeforces.com/problemset/problem/220/E",
			"name": "Little Elephant and Inversions",
			"diff": "7"
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		{
			"link": "http://codeforces.com/problemset/problem/348/C",
			"name": "Subset Sums",
			"diff": "7"
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			"link": "http://codeforces.com/problemset/problem/525/D",
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			"link": "http://codeforces.com/problemset/problem/414/D",
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			"link": "http://codeforces.com/problemset/problem/467/E",
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			"link": "http://codeforces.com/problemset/problem/555/D",
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			"diff": "7"
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			"link": "http://codeforces.com/problemset/problem/342/E",
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			"link": "http://codeforces.com/problemset/problem/484/D",
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			"link": "http://codeforces.com/problemset/problem/442/C",
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		{
			"link": "http://codeforces.com/problemset/problem/449/C",
			"name": "Jzzhu and Apples",
			"diff": "7"
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			"link": "http://codeforces.com/problemset/problem/446/C",
			"name": "DZY Loves Fibonacci Numbers",
			"diff": "7"
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		{
			"link": "http://codeforces.com/problemset/problem/288/D",
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			"diff": "8"
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		{
			"link": "http://codeforces.com/problemset/problem/484/E",
			"name": "Sign on Fence",
			"diff": "8"
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			"link": "http://codeforces.com/problemset/problem/455/D",
			"name": "Serega and Fun",
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			"link": "http://codeforces.com/problemset/problem/479/A",
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			"link": "http://codeforces.com/problemset/problem/463/B",
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			"link": "http://codeforces.com/problemset/problem/462/A",
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			"link": "http://codeforces.com/problemset/problem/465/B",
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			"link": "http://codeforces.com/problemset/problem/548/A",
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			"link": "http://codeforces.com/problemset/problem/463/A",
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			"link": "http://codeforces.com/problemset/problem/456/A",
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			"link": "http://codeforces.com/problemset/problem/544/A",
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			"link": "http://codeforces.com/problemset/problem/456/B",
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			"link": "http://codeforces.com/problemset/problem/479/B",
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			"link": "http://codeforces.com/problemset/problem/553/B",
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			"link": "http://codeforces.com/problemset/problem/443/B",
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			"link": "http://codeforces.com/problemset/problem/544/B",
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			"link": "http://codeforces.com/problemset/problem/543/A",
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			"link": "http://codeforces.com/problemset/problem/482/B",
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			"link": "http://codeforces.com/problemset/problem/446/A",
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			"link": "http://codeforces.com/problemset/problem/444/A",
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			"link": "http://codeforces.com/problemset/problem/280/B",
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			"link": "http://codeforces.com/problemset/problem/468/B",
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			"link": "http://codeforces.com/problemset/problem/484/B",
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			"link": "http://codeforces.com/problemset/problem/351/E",
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			"link": "http://codeforces.com/problemset/problem/555/B",
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			"link": "http://codeforces.com/problemset/problem/286/C",
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			"link": "http://codeforces.com/problemset/problem/463/D",
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			"link": "http://codeforces.com/problemset/problem/552/C",
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			"link": "http://codeforces.com/problemset/problem/464/B",
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			"link": "http://codeforces.com/problemset/problem/366/D",
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			"link": "http://codeforces.com/problemset/problem/448/C",
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			"link": "http://codeforces.com/problemset/problem/453/C",
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			"link": "http://codeforces.com/problemset/problem/559/B",
			"name": "Equivalent Strings",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/464/C",
			"name": "Substitutes in Number",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/449/B",
			"name": "Jzzhu and Cities",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/466/E",
			"name": "Information Graph",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/547/C",
			"name": "Mike and Foam",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/550/E",
			"name": "Brackets in Implications",
			"diff": "6"
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		{
			"link": "http://codeforces.com/problemset/problem/406/D",
			"name": "Hill Climbing",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/448/E",
			"name": "Divisors",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/570/D",
			"name": "Tree Requests",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/444/B",
			"name": "DZY Loves FFT",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/429/C",
			"name": "Guess the Tree",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/463/E",
			"name": "Caisa and Tree",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/514/E",
			"name": "Darth Vader and Tree",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/487/C",
			"name": "Prefix Product Sequence",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/498/D",
			"name": "Traffic Jams in the Land",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/498/B",
			"name": "Name That Tune",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/506/D",
			"name": "Mr. Kitayuta's Colorful Graph",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/429/D",
			"name": "Tricky Function",
			"diff": "6"
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		{
			"link": "http://codeforces.com/problemset/problem/515/E",
			"name": "Drazil and Park",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/438/D",
			"name": "The Child and Sequence",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/543/D",
			"name": "Road Improvement",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/476/E",
			"name": "Dreamoon and Strings",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/510/E",
			"name": "Fox And Dinner",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/449/D",
			"name": "Jzzhu and Numbers",
			"diff": "6"
		},
		{
			"link": "http://codeforces.com/problemset/problem/442/D",
			"name": "Adam and Tree",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/543/C",
			"name": "Remembering Strings",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/467/E",
			"name": "Alex and Complicated Task",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/375/D",
			"name": "Tree and Queries",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/433/E",
			"name": "Tachibana Kanade's Tofu",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/444/D",
			"name": "DZY Loves Strings",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/558/D",
			"name": "Guess Your Way Out! II",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/617/E",
			"name": "XOR and Favorite Number",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/383/B",
			"name": "Volcanoes",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/442/C",
			"name": "Artem and Array",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/525/D",
			"name": "Arthur and Walls",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/467/D",
			"name": "Fedor and Essay",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/570/E",
			"name": "Pig and Palindromes",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/551/D",
			"name": "GukiZ and Binary Operations",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/468/C",
			"name": "Hack it!",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/555/D",
			"name": "Case of a Top Secret",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/551/E",
			"name": "GukiZ and GukiZiana",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/446/C",
			"name": "DZY Loves Fibonacci Numbers",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/449/C",
			"name": "Jzzhu and Apples",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/383/E",
			"name": "Vowels",
			"diff": "8"
		},
		{
			"link": "http://codeforces.com/problemset/problem/321/E",
			"name": "Ciel and Gondolas",
			"diff": "8"
		},
		{
			"link": "http://codeforces.com/problemset/problem/482/C",
			"name": "Game with Strings",
			"diff": "8"
		},
		{
			"link": "http://codeforces.com/problemset/problem/494/C",
			"name": "Helping People",
			"diff": "8"
		},
		{
			"link": "http://codeforces.com/problemset/problem/547/D",
			"name": "Mike and Fish",
			"diff": "8"
		},
		{
			"link": "http://codeforces.com/problemset/problem/547/E",
			"name": "Mike and Friends",
			"diff": "8"
		},
		{
			"link": "http://codeforces.com/problemset/problem/455/D",
			"name": "Serega and Fun",
			"diff": "8"
		},
		{
			"link": "http://codeforces.com/problemset/problem/455/E",
			"name": "Function",
			"diff": "9"
		}

	],
	">2200": [

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			"link": "http://codeforces.com/problemset/problem/520/A",
			"name": "Pangram",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/510/A",
			"name": "Fox And Snake",
			"diff": "1"
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		{
			"link": "http://codeforces.com/problemset/problem/148/A",
			"name": "Insomnia cure",
			"diff": "1"
		},
		{
			"link": "http://codeforces.com/problemset/problem/499/A",
			"name": "Watching a movie",
			"diff": "2"
		},
		{
			"link": "http://codeforces.com/problemset/problem/476/B",
			"name": "Dreamoon and WiFi",
			"diff": "3"
		},
		{
			"link": "http://codeforces.com/problemset/problem/527/A",
			"name": "Playing with Paper",
			"diff": "3"
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		{
			"link": "http://codeforces.com/problemset/problem/614/A",
			"name": "Link/Cut Tree",
			"diff": "4"
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		{
			"link": "http://codeforces.com/problemset/problem/498/A",
			"name": "Crazy Town",
			"diff": "4"
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		{
			"link": "http://codeforces.com/problemset/problem/505/C",
			"name": "Mr. Kitayuta, the Treasure Hunter",
			"diff": "4"
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		{
			"link": "http://codeforces.com/problemset/problem/496/D",
			"name": "Tennis Game",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/466/C",
			"name": "Number of Ways",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/527/B",
			"name": "Error Correct System",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/487/A",
			"name": "Fight the Monster",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/613/B",
			"name": "Skills",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/527/D",
			"name": "Clique Problem",
			"diff": "4"
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		{
			"link": "http://codeforces.com/problemset/problem/527/C",
			"name": "Glass Carving",
			"diff": "4"
		},
		{
			"link": "http://codeforces.com/problemset/problem/594/C",
			"name": "Edo and Magnets",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/461/C",
			"name": "Appleman and a Sheet of Paper",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/128/D",
			"name": "Numbers",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/295/C",
			"name": "Greg and Friends",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/514/C",
			"name": "Watto and Mechanism",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/351/E",
			"name": "Jeff and Permutation",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/380/C",
			"name": "Sereja and Brackets",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/605/C",
			"name": "Freelancer's Dreams",
			"diff": "5"
		},
		{
			"link": "http://codeforces.com/problemset/problem/615/E",
			"name": "Hexagons",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/486/D",
			"name": "Valid Sets",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/615/D",
			"name": "Multipliers",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/590/D",
			"name": "Top Secret Task",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/333/D",
			"name": "Characteristics of Rectangles",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/535/D",
			"name": "Tavas and Malekas",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/543/B",
			"name": "Destroying Roads",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/505/D",
			"name": "Mr. Kitayuta's Technology",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/484/B",
			"name": "Maximum Value",
			"diff": "5"
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		{
			"link": "http://codeforces.com/problemset/problem/590/C",
			"name": "Three States",
			"diff": "5"
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			"link": "http://codeforces.com/problemset/problem/383/D",
			"name": "Antimatter",
			"diff": "6"
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			"link": "http://codeforces.com/problemset/problem/476/E",
			"name": "Dreamoon and Strings",
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		{
			"link": "http://codeforces.com/problemset/problem/613/C",
			"name": "Necklace",
			"diff": "6"
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		{
			"link": "http://codeforces.com/problemset/problem/346/C",
			"name": "Number Transformation II",
			"diff": "6"
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		{
			"link": "http://codeforces.com/problemset/problem/429/D",
			"name": "Tricky Function",
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			"link": "http://codeforces.com/problemset/problem/594/D",
			"name": "REQ",
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			"link": "http://codeforces.com/problemset/problem/546/E",
			"name": "Soldier and Traveling",
			"diff": "6"
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		{
			"link": "http://codeforces.com/problemset/problem/605/D",
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			"link": "http://codeforces.com/problemset/problem/449/D",
			"name": "Jzzhu and Numbers",
			"diff": "6"
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			"link": "http://codeforces.com/problemset/problem/498/B",
			"name": "Name That Tune",
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			"link": "http://codeforces.com/problemset/problem/650/D",
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			"diff": "6"
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			"link": "http://codeforces.com/problemset/problem/553/D",
			"name": "Nudist Beach",
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			"link": "http://codeforces.com/problemset/problem/506/D",
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			"link": "http://codeforces.com/problemset/problem/510/E",
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			"link": "http://codeforces.com/problemset/problem/498/D",
			"name": "Traffic Jams in the Land",
			"diff": "6"
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		{
			"link": "http://codeforces.com/problemset/problem/547/A",
			"name": "Mike and Frog",
			"diff": "6"
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		{
			"link": "http://codeforces.com/problemset/problem/487/C",
			"name": "Prefix Product Sequence",
			"diff": "6"
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		{
			"link": "http://codeforces.com/problemset/problem/543/D",
			"name": "Road Improvement",
			"diff": "6"
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		{
			"link": "http://codeforces.com/problemset/problem/557/E",
			"name": "Ann and Half-Palindrome",
			"diff": "7"
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		{
			"link": "http://codeforces.com/problemset/problem/508/D",
			"name": "Tanya and Password",
			"diff": "7"
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		{
			"link": "http://codeforces.com/problemset/problem/375/D",
			"name": "Tree and Queries",
			"diff": "7"
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		{
			"link": "http://codeforces.com/problemset/problem/311/B",
			"name": "Cats Transport",
			"diff": "7"
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		{
			"link": "http://codeforces.com/problemset/problem/295/D",
			"name": "Greg and Caves",
			"diff": "7"
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		{
			"link": "http://codeforces.com/problemset/problem/449/C",
			"name": "Jzzhu and Apples",
			"diff": "7"
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		{
			"link": "http://codeforces.com/problemset/problem/377/D",
			"name": "Developing Game",
			"diff": "7"
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		{
			"link": "http://codeforces.com/problemset/problem/528/D",
			"name": "Fuzzy Search",
			"diff": "7"
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		{
			"link": "http://codeforces.com/problemset/problem/555/D",
			"name": "Case of a Top Secret",
			"diff": "7"
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		{
			"link": "http://codeforces.com/problemset/problem/571/C",
			"name": "CNF 2",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/551/E",
			"name": "GukiZ and GukiZiana",
			"diff": "7"
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		{
			"link": "http://codeforces.com/problemset/problem/525/D",
			"name": "Arthur and Walls",
			"diff": "7"
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		{
			"link": "http://codeforces.com/problemset/problem/613/D",
			"name": "Kingdom and its Cities",
			"diff": "7"
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		{
			"link": "http://codeforces.com/problemset/problem/535/E",
			"name": "Tavas and Pashmaks",
			"diff": "7"
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		{
			"link": "http://codeforces.com/problemset/problem/527/E",
			"name": "Data Center Drama",
			"diff": "7"
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		{
			"link": "http://codeforces.com/problemset/problem/468/C",
			"name": "Hack it!",
			"diff": "7"
		},
		{
			"link": "http://codeforces.com/problemset/problem/543/C",
			"name": "Remembering Strings",
			"diff": "7"
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		{
			"link": "http://codeforces.com/problemset/problem/484/D",
			"name": "Kindergarten",
			"diff": "7"
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		{
			"link": "http://codeforces.com/problemset/problem/444/E",
			"name": "DZY Loves Planting",
			"diff": "8"
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		{
			"link": "http://codeforces.com/problemset/problem/536/D",
			"name": "Tavas in Kansas",
			"diff": "8"
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		{
			"link": "http://codeforces.com/problemset/problem/605/E",
			"name": "Intergalaxy Trips",
			"diff": "8"
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		{
			"link": "http://codeforces.com/problemset/problem/407/D",
			"name": "Largest Submatrix 3",
			"diff": "8"
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		{
			"link": "http://codeforces.com/problemset/problem/455/D",
			"name": "Serega and Fun",
			"diff": "8"
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		{
			"link": "http://codeforces.com/problemset/problem/484/E",
			"name": "Sign on Fence",
			"diff": "8"
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		{
			"link": "http://codeforces.com/problemset/problem/321/E",
			"name": "Ciel and Gondolas",
			"diff": "8"
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		{
			"link": "http://codeforces.com/problemset/problem/568/D",
			"name": "Sign Posts",
			"diff": "8"
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		{
			"link": "http://codeforces.com/problemset/problem/285/E",
			"name": "Positions in Permutations",
			"diff": "8"
		},
		{
			"link": "http://codeforces.com/problemset/problem/547/E",
			"name": "Mike and Friends",
			"diff": "8"
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		{
			"link": "http://codeforces.com/problemset/problem/461/D",
			"name": "Appleman and Complicated Task",
			"diff": "8"
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		{
			"link": "http://codeforces.com/problemset/problem/498/E",
			"name": "Stairs and Lines",
			"diff": "8"
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		{
			"link": "http://codeforces.com/problemset/problem/494/C",
			"name": "Helping People",
			"diff": "8"
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		{
			"link": "http://codeforces.com/problemset/problem/494/D",
			"name": "Birthday",
			"diff": "8"
		},
		{
			"link": "http://codeforces.com/problemset/problem/477/D",
			"name": "Dreamoon and Binary",
			"diff": "8"
		},
		{
			"link": "http://codeforces.com/problemset/problem/487/D",
			"name": "Conveyor Belts",
			"diff": "8"
		},
		{
			"link": "http://codeforces.com/problemset/problem/505/E",
			"name": "Mr. Kitayuta vs. Bamboos",
			"diff": "8"
		},
		{
			"link": "http://codeforces.com/problemset/problem/601/E",
			"name": "A Museum Robbery",
			"diff": "8"
		},
		{
			"link": "http://codeforces.com/problemset/problem/512/D",
			"name": "Fox And Travelling",
			"diff": "8"
		},
		{
			"link": "http://codeforces.com/problemset/problem/258/D",
			"name": "Little Elephant and Broken Sorting",
			"diff": "8"
		},
		{
			"link": "http://codeforces.com/problemset/problem/547/D",
			"name": "Mike and Fish",
			"diff": "8"
		},
		{
			"link": "http://codeforces.com/problemset/problem/484/C",
			"name": "Strange Sorting",
			"diff": "8"
		},
		{
			"link": "http://codeforces.com/problemset/problem/555/E",
			"name": "Case of Computer Network",
			"diff": "8"
		},
		{
			"link": "http://codeforces.com/problemset/problem/521/D",
			"name": "Shop",
			"diff": "8"
		},
		{
			"link": "http://codeforces.com/problemset/problem/559/E",
			"name": "Gerald and Path",
			"diff": "9"
		},
		{
			"link": "http://codeforces.com/problemset/problem/536/E",
			"name": "Tavas on the Path",
			"diff": "9"
		},
		{
			"link": "http://codeforces.com/problemset/problem/288/E",
			"name": "Polo the Penguin and Lucky Numbers",
			"diff": "9"
		},
		{
			"link": "http://codeforces.com/problemset/problem/364/D",
			"name": "Ghd",
			"diff": "9"
		},
		{
			"link": "http://codeforces.com/problemset/problem/594/A",
			"name": "Warrior and Archer",
			"diff": "9"
		},
		{
			"link": "http://codeforces.com/problemset/problem/590/E",
			"name": "Birthday",
			"diff": "10"
		}

	],
}