diff --git a/task-1/book.js b/task-1/book.js
index 8b49ecc..f9e48ae 100644
--- a/task-1/book.js
+++ b/task-1/book.js
@@ -1,3 +1,11 @@
 function isBookApplicable(searchString) {
-  // Your code here
+  const title = "The fundamentals of JavaScript";
+  const editedTitle = title.toLowerCase();
+  const editedSearchString = searchString.trim().toLowerCase();
+  return editedTitle.includes(editedSearchString);
 }
+console.log(isBookApplicable("javascript")); // Output: true
+console.log(isBookApplicable("javascript ")); // Output: true
+console.log(isBookApplicable("python")); // Output: false
+console.log(isBookApplicable("JavaScript")); // Output: true
+console.log(isBookApplicable("JAVASCRIPT")); // Output: true
diff --git a/task-2/parse-date.js b/task-2/parse-date.js
index 877a3aa..04f4e95 100644
--- a/task-2/parse-date.js
+++ b/task-2/parse-date.js
@@ -1 +1,25 @@
-// Your code here
+const getDay = (format, first, second) => {
+  return format === "DMY" ? first : second;
+};
+
+const getMonth = (format, first, second) => {
+  return format === "DMY" ? second : first;
+};
+
+const getYear = (year) => year;
+
+const parseDateString = (dateString) => {
+  const [format, date] = dateString.split(" ");
+  const [first, second, year] = date.split("-").map((el) => +el);
+
+  return {
+    day: getDay(format, first, second),
+    month: getMonth(format, first, second),
+    year: getYear(year),
+  };
+};
+
+console.log(parseDateString("MDY 10-21-1983")); // Output: { day: 21, month: 10, year: 1983 }
+console.log(parseDateString("DMY 21-10-1983")); // Output: { day: 21, month: 10, year: 1983 }
+console.log(parseDateString("MDY 03-15-2024")); // Output: { day: 15, month: 3, year: 2024 }
+console.log(parseDateString("DMY 15-03-2024")); // Output: { day: 15, month: 3, year: 2024 }
diff --git a/task-3/date.js b/task-3/date.js
new file mode 100644
index 0000000..ee0242c
--- /dev/null
+++ b/task-3/date.js
@@ -0,0 +1,11 @@
+export const convertHoursToMinutes = hours => hours*60
+
+export const convertMinutesToHours = minutes => minutes/60
+
+export const convertDaysToHours = days => days*24
+
+export const convertHoursToDays = hours => hours/24
+
+export const convertMinutesToSeconds = minutes => minutes*60
+
+export const convertSecondsToMinutes = seconds => seconds/60
\ No newline at end of file
diff --git a/task-4/cleanup.js b/task-4/cleanup.js
index 207523a..b06eebd 100644
--- a/task-4/cleanup.js
+++ b/task-4/cleanup.js
@@ -1,80 +1,55 @@
-// Temperature conversion and weather report for City 1
-let cityName1 = "Amsterdam";
-let tempCelsius1 = 22;
-let tempFahrenheit1 = (tempCelsius1 * 9 / 5) + 32;
-let tempKelvin1 = tempCelsius1 + 273.15;
-console.log("Weather Report for " + cityName1);
-console.log("Temperature: " + tempCelsius1 + "°C");
-console.log("Temperature: " + tempFahrenheit1 + "°F");
-console.log("Temperature: " + tempKelvin1 + "K");
-if (tempCelsius1 < 0) {
-  console.log("Status: Freezing");
-} else if (tempCelsius1 >= 0 && tempCelsius1 < 10) {
-  console.log("Status: Cold");
-} else if (tempCelsius1 >= 10 && tempCelsius1 < 20) {
-  console.log("Status: Mild");
-} else if (tempCelsius1 >= 20 && tempCelsius1 < 30) {
-  console.log("Status: Warm");
-} else {
-  console.log("Status: Hot");
-}
-console.log("---");
+const getReportName = (cityName) => {
+  return `Weather Report for ${cityName}`;
+};
 
-// Temperature conversion and weather report for City 2
-let cityName2 = "Berlin";
-let tempCelsius2 = 15;
-let tempFahrenheit2 = (tempCelsius2 * 9 / 5) + 32;
-let tempKelvin2 = tempCelsius2 + 273.15;
-console.log("Weather Report for " + cityName2);
-console.log("Temperature: " + tempCelsius2 + "°C");
-console.log("Temperature: " + tempFahrenheit2 + "°F");
-console.log("Temperature: " + tempKelvin2 + "K");
-if (tempCelsius2 < 0) {
-  console.log("Status: Freezing");
-} else if (tempCelsius2 >= 0 && tempCelsius2 < 10) {
-  console.log("Status: Cold");
-} else if (tempCelsius2 >= 10 && tempCelsius2 < 20) {
-  console.log("Status: Mild");
-} else if (tempCelsius2 >= 20 && tempCelsius2 < 30) {
-  console.log("Status: Warm");
-} else {
-  console.log("Status: Hot");
-}
-console.log("---");
+const getTempCelsius = (tempCelsius) => {
+  return `Temperature: ${tempCelsius} °C`;
+};
 
-// Temperature conversion and weather report for City 3
-let cityName3 = "Copenhagen";
-let tempCelsius3 = -5;
-let tempFahrenheit3 = (tempCelsius3 * 9 / 5) + 32;
-let tempKelvin3 = tempCelsius3 + 273.15;
-console.log("Weather Report for " + cityName3);
-console.log("Temperature: " + tempCelsius3 + "°C");
-console.log("Temperature: " + tempFahrenheit3 + "°F");
-console.log("Temperature: " + tempKelvin3 + "K");
-if (tempCelsius3 < 0) {
-  console.log("Status: Freezing");
-} else if (tempCelsius3 >= 0 && tempCelsius3 < 10) {
-  console.log("Status: Cold");
-} else if (tempCelsius3 >= 10 && tempCelsius3 < 20) {
-  console.log("Status: Mild");
-} else if (tempCelsius3 >= 20 && tempCelsius3 < 30) {
-  console.log("Status: Warm");
-} else {
-  console.log("Status: Hot");
-}
-console.log("---");
+const getTempFahrenheit = (tempCelsius) => {
+  const tempFahrenheit = (tempCelsius * 9) / 5 + 32;
+  return `Temperature: ${tempFahrenheit} °F`;
+};
 
-// Wind chill calculation for City 1
-let windSpeed1 = 15;
-let windChill1 = 13.12 + 0.6215 * tempCelsius1 - 11.37 * Math.pow(windSpeed1, 0.16) + 0.3965 * tempCelsius1 * Math.pow(windSpeed1, 0.16);
-console.log("Wind chill in " + cityName1 + ": " + windChill1.toFixed(2) + "°C");
+const getTempKelvin = (tempCelsius) => {
+  const tempKelvin = tempCelsius + 273.15;
+  return `Temperature: ${tempKelvin} K`;
+};
 
-// Wind chill calculation for City 2
-let windSpeed2 = 20;
-let windChill2 = 13.12 + 0.6215 * tempCelsius2 - 11.37 * Math.pow(windSpeed2, 0.16) + 0.3965 * tempCelsius2 * Math.pow(windSpeed2, 0.16);
-console.log("Wind chill in " + cityName2 + ": " + windChill2.toFixed(2) + "°C");
+const getTempStatus = (tempCelsius) => {
+  if (tempCelsius < 0) {
+    return "Status: Freezing";
+  } else if (tempCelsius >= 0 && tempCelsius < 10) {
+    return "Status: Cold";
+  } else if (tempCelsius >= 10 && tempCelsius < 20) {
+    return "Status: Mild";
+  } else if (tempCelsius >= 20 && tempCelsius < 30) {
+    return "Status: Warm";
+  } else {
+    return "Status: Hot";
+  }
+};
 
-// Wind chill calculation for City 3
-let windSpeed3 = 25;
-let windChill3 = 13.12 + 0.6215 * tempCelsius3 - 11.37 * Math.pow(windSpeed3, 0.16) + 0.3965 * tempCelsius3 * Math.pow(windSpeed3, 0.16);
-console.log("Wind chill in " + cityName3 + ": " + windChill3.toFixed(2) + "°C");
\ No newline at end of file
+const getWindChill = (tempCelsius, windSpeed) => {
+  return (
+    13.12 + 0.6215 * tempCelsius - 11.37 * Math.pow(windSpeed, 0.16) + 0.3965 * tempCelsius * Math.pow(windSpeed, 0.16)
+  );
+};
+
+const getWindReport = (cityName, tempCelsius, windSpeed) => {
+  return `Wind chill in ${cityName}: ${getWindChill(tempCelsius, windSpeed).toFixed(2)} °C`;
+};
+const weatherReport = (cityName, tempCelsius, windSpeed) => {
+  return `${getReportName(cityName)}
+${getTempCelsius(tempCelsius)}
+${getTempFahrenheit(tempCelsius)}
+${getTempKelvin(tempCelsius)}
+${getTempStatus(tempCelsius)}
+${getWindReport(cityName, tempCelsius, windSpeed)}
+`;
+};
+console.log(weatherReport("Amsterdam", 22, 15));
+console.log(weatherReport("Berlin", 15, 20));
+console.log(weatherReport("Copenhagen", -5, 25));
+console.log(weatherReport("Montevideo", 18, 20));
+console.log(weatherReport("Bangkok", 37, 1));
\ No newline at end of file