using System;

public class Program

{

    public static void Main()

    {

            int[] groups = new int[4];

            int players = 0;

            for (int i = 0; i < 10000000; i++)

            {

                Random random = new Random(i);

                Random random2 = new Random(i);

                if (random.Next(0, 2) == 1)

                {

                    players++;

​

                    var randomNumber = random2.Next(0, 100 + 1);

                    if (randomNumber <= 25)

                    {

                        groups[0]++;

                    }

                    else if (randomNumber <= 50)

                    {

                        groups[1]++;

                    }

                    else if (randomNumber <= 75)

                    {

                        groups[2]++;

                    }

                    else if (randomNumber <= 100)

                    {

                        groups[3]++;

                    }

                    else

                    {

                        throw new Exception("ei pitäs tänne tulla");

                    }

​

​

​

​

                }

​

                if (players == 8751)

                {

                    break;

                }

            }

​

            for (int i = 0; i < 4; i++)

            {

                Console.WriteLine(i + ":" + groups[i]);

            }

​

    }

}