using System;

​

public class Program

{

    public static void Main()

    {

    Random random = new Random();

    bool playAgain = true;

    String player;

    String computer;

    while (playAgain)

{

    player = "";

    computer = "";

​

    while (player != "ROCK" && player != "PAPER" && player != "SCISSORS")

    {

        Console.Write("Enter ROCK,PAPER OR SCİSSORS: ");

        player = Console.ReadLine();

        player = player.ToUpper();

    }

    switch (random.Next(1, 4))

    {

        case 1:

            computer = "ROCK";

            break;

        case 2:

            computer = "PAPER";

            break;

        case 3:

            computer = "SCISSORS";

            break;

    }

    Console.WriteLine("Player: " + player);

    Console.WriteLine("Computer: " + computer);

    switch (player)

    {

        case "ROCK":

            if (computer == "ROCK")

            {

                Console.WriteLine("It's a draw!");

            }

            else if (computer == "PAPER")

            {

                Console.WriteLine("You loose!");

            }

            else

            {

                Console.WriteLine(" You WIN!");

            }

         break;

        case "PAPER":

            if (computer == "ROCK")

            {

                Console.WriteLine("You WIN!");

            }

            else if (computer == "PAPER")

            {

                Console.WriteLine("It's a draw!");

            }

            else

            {

                Console.WriteLine(" You lose");

            }

            break;

        case "SCISSORS":

            if (computer == "ROCK")

            {

                Console.WriteLine("You loose");

            }

            else if (computer == "PAPER")

            {

                Console.WriteLine("You WIN!");

            }

            else

            {

                Console.WriteLine(" It's a draw!");

            }

            break;

    }

}

​

    }

}