using System;

using static System.Console;

​

var randomNumberCreator = new Random();

var computerChoice = randomNumberCreator.Next(1, 4);

WriteLine("Type in Rock, Paper, or Scissors");

string userChoice = ReadLine();

if (computerChoice == 1)

{

    if (userChoice.ToLower() == "rock")

    {

        WriteLine("The computer chose rock");

        WriteLine("It is a tie ");

    }

    else if (userChoice.ToLower() == "paper")

    {

        WriteLine("The computer chose paper");

        WriteLine("It is a tie ");

    }

    else if (userChoice.ToLower() == "scissors")

    {

        WriteLine("The computer chose scissors");

        WriteLine("It is a tie ");

    }

    else

    {

        WriteLine("You must choose rock, paper or scissors!");

    }

}

else if (computerChoice == 2)

{

    if (userChoice.ToLower() == "rock")

    {

        WriteLine("The computer chose paper");

        WriteLine("Sorry you lose, paper beat rock");

    }

    else if (userChoice.ToLower() == "paper")

    {

        WriteLine("The computer chose scissors");

        WriteLine("Sorry you lose, scissors beat paper ");

    }

    else if (userChoice.ToLower() == "scissors")

    {

        WriteLine("The computer chose rock");

        WriteLine("Sorry you lose, rock beats scissors");

    }

    else

    {

        WriteLine("You must choose rock, paper or scissors!");

    }

}

else if (computerChoice == 3)

{

    if (userChoice.ToLower() == "rock")

    {

        WriteLine("The computer chose scissors");

        WriteLine("You win, rock beats scissors");

    }

    else if (userChoice.ToLower() == "paper")

    {

        WriteLine("The computer chose rock");

        WriteLine("You win, paper beats rock");

    }

    else if (userChoice.ToLower() == "scissors")

    {

        WriteLine("The computer chose paper");

        WriteLine("You win, scissors beat paper");

    }

    else

    {

        WriteLine("You must choose rock, paper or scissors!");

    }

}