using System;

​

public class Program

{

    public static void Main()

    {

        Random random = new Random();

        int shirTailsCount = 0;

        int liTailsCount = 0;

​

        Console.WriteLine("Shir will start the game.");

​

        while (true)

        {

            Console.WriteLine("Shir flips the coin...");

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

            {

                shirTailsCount++;

                Console.WriteLine("It's tails!");

                if (shirTailsCount >= 3)

                {

                    Console.WriteLine("Shir wins!");

                    break;

                }

            }

            else

            {

                Console.WriteLine("It's heads!");

            }

​

            Console.WriteLine("Li flips the coin...");

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

            {

                liTailsCount++;

                Console.WriteLine("It's tails!");

                if (liTailsCount >= 3)

                {

                    Console.WriteLine("Li wins!");

                    break;

                }

            }

            else

            {

                Console.WriteLine("It's heads!");

            }

        }

    }

​