using System;

public class Program

{

    public static void Main()

    {

        int randomone = 0;

        int randomfive = 0;

        int randomfour = 0;

        int randomthree = 0;

        int randomtwo = 0;

        int randomsix = 0;

        start:

        Console.Clear();

        Console.WriteLine("choose a die mr.Doey!(not die as in dead but as in dice but singular. and your a leprechan)");

        Console.WriteLine("1 for D4 | 2 for D6 | 3 for D8 | 4 for D10 | 5 for D12 | 6 for D20");

        string choose = Console.ReadLine();

        Console.Clear();

        if(choose != "1" && choose != "2" && choose != "3" && choose != "4" && choose != "5" && choose != "6")

        {

            Console.WriteLine("unknown error 1 (try again) <press enter>");

            Console.ReadLine();

            goto start;

        }

        if(choose == "1")

        {

            Random rndOne = new Random();

 randomone  = rndOne.Next(1, 5);

            Console.WriteLine(randomone);

            Console.ReadLine();

            goto start;

        }

        if(choose == "2")

        {

            Random rndTwo = new Random();

 randomtwo  = rndTwo.Next(1, 7);

            Console.WriteLine(randomtwo);

            Console.ReadLine();

            goto start;

        }

        if(choose == "3")

        {

            Random rndThree = new Random();

 randomthree  = rndThree.Next(1, 9);

            Console.WriteLine(randomthree);

            Console.ReadLine();

            goto start;

        }

        if(choose == "4")

        {

            Random rndFour = new Random();

 randomfour  = rndFour.Next(1, 11);

            Console.WriteLine(randomfour);

            Console.ReadLine();

            goto start;

        }

        if(choose == "5")

        {

            Random rndFive = new Random();

 randomfive  = rndFive.Next(1, 13);

            Console.WriteLine(randomfive);

            Console.ReadLine();

            goto start;

        }

        if(choose == "6")

        {

            Random rndSix = new Random();

 randomsix  = rndSix.Next(1, 21);

            Console.WriteLine(randomsix);

            Console.ReadLine();

            goto start;

        }

    }

}