using System;

​

public class Program

{

    public static void Main()

    {

        Random random = new Random();

        int countshir = 0;

        int countlee= 0;

        while(countshir != 3 || countlee != 3)

        {

            Console.WriteLine("enter who is tossing:");

            string toss = Console.ReadLine();

            while (toss != "shir" || toss !="lee")

            {

            Console.WriteLine("try again enter who is tossing:");

            toss = Console.ReadLine();

            }

            int coin = random.Next(0,2);

            if (coin == 1 && toss == "shir")

            {

                Console.WriteLine("Heads");

                countshir = countshir +1;

            }

            else if (coin == 1 && toss == "lee")

            {

                Console.WriteLine("Heads");

                countlee = countlee +1;

            }

            if (coin == 0)

            {

            Console.WriteLine("tails");

            }

        }

        if (countshir == 3)

        {

        Console.WriteLine("shir is starting");

        }

        else if (countlee == 3)

        {

        Console.WriteLine("lee is starting");

        }

    }

}

​