ChuckNorris.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp6
{
    class Program
    {
        static void Main(string[] args)
        {
            string MESSAGE = Console.ReadLine();
            string binaryResult = string.Empty;
            string unaryResult = string.Empty;

            foreach (char m in MESSAGE)
            {
                string lengthCheck = Convert.ToString((int)m, 2);
                if (lengthCheck.Length < 7)
                {
                    lengthCheck = new string('0', 7 - lengthCheck.Length) + lengthCheck;
                }
                binaryResult += lengthCheck;
            }

            unaryResult = binaryToUnary(binaryResult);

            Console.WriteLine(unaryResult.Trim());
            //Console.ReadLine();
        }


        public static string binaryToUnary(string binaryString)
        {
            char[] binaryArray = binaryString.ToArray();
            string unaryResponse = string.Empty;
            char lastChar = '\0';
            for (int i = 0; i < binaryArray.Length; i++)
            {
                char currentchar = binaryArray[i];
                if (lastChar != '1' && currentchar == '1')
                {
                    unaryResponse += " 0 0";
                    lastChar = '1';
                }
                else if (lastChar == '1' && currentchar == '1')
                {
                    unaryResponse += "0";
                }
                else if (lastChar != '0' && currentchar == '0')
                {
                    unaryResponse += " 00 0";
                    lastChar = '0';
                }
                else if (lastChar == '0' && currentchar == '0')
                {
                    unaryResponse += "0";
                }
                else
                {
                    unaryResponse += "error";
                }
            }
            return unaryResponse;
        }
    }
}