SudokuResult

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

namespace SudokuResults
    {
    class SudokuResults
        {
        static void Main()
            {
            string[] input = Console.ReadLine().Split(':');
            double minutesConvertedToSeconds;
            double seconds;
            double totalSeconds = 0;
            double countOfGames = 0;

            while (input[0] != "Quit")
                {
                minutesConvertedToSeconds = double.Parse(input[0]) * 60;
                seconds = double.Parse(input[1]);
                totalSeconds += minutesConvertedToSeconds + seconds;
                countOfGames++;
                input = Console.ReadLine().Split(':');
                }

            double avarageSeconds = Math.Ceiling(totalSeconds / countOfGames);

            if (avarageSeconds < 720 && avarageSeconds >= 0)
                {
                Console.WriteLine("Gold Star");
                Console.WriteLine("Games - {0} \\ Average seconds - {1}",countOfGames,avarageSeconds);
                }
            else
                {
                if (avarageSeconds >= 720 && avarageSeconds <= 1440 )
                    {
                    Console.WriteLine("Silver Star");
                    Console.WriteLine("Games - {0} \\ Average seconds - {1}", countOfGames, avarageSeconds);
                    }
                else if (avarageSeconds > 1440)
                    {
                    Console.WriteLine("Bronze Star");
                    Console.WriteLine("Games - {0} \\ Average seconds - {1}", countOfGames, avarageSeconds);
                    }
                }
            }
        }
    }