SudokuResults

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


class SudokuResults
{
    static void Main()
    {
        decimal plays = 0.0M;
        int allInSeconds = 0;

        while (true)
        {
            string timeInString = Console.ReadLine();
            if (timeInString == "Quit")
            {
                break;
            }
            string[] splitString = timeInString.Split(':');
            int minutes = int.Parse(splitString[0]);
            int seconds = int.Parse(splitString[1]);
            minutes *= 60;
            minutes += seconds;
            plays++;
            allInSeconds += minutes;
        }

        decimal avg = allInSeconds / plays;

        if (avg < 720)
        {
            Console.WriteLine("Gold Star");
            Console.WriteLine("Games - {0:F0} \\ Average seconds - {1}", plays, Math.Ceiling(avg));
        }
        else if (avg >= 720 && avg <= 1440)
        {
            Console.WriteLine("Silver Star");
            Console.WriteLine("Games - {0:F0} \\ Average seconds - {1}", plays, Math.Ceiling(avg));
        }
        else if (avg >= 1440)
        {
            Console.WriteLine("Bronze Star");
            Console.WriteLine("Games - {0:F0} \\ Average seconds - {1}", plays, Math.Ceiling(avg));
        }
    }
}