using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {

            Console.WriteLine("Ange en siffra mellan 1 - 3");
            start:
            int tal = int.Parse(Console.ReadLine());

            switch (tal)
            {
                case 1:
                    Console.WriteLine("Du angav 1");
                    break;
                case 2:
                    Console.WriteLine("Du angav 2");
                    break;
                case 3:
                    Console.WriteLine("Du angav 3");
                    break;
                default:
                    Console.WriteLine("Du angav felaktigt alternativ");
                    goto start;
                    break;
            }
            Console.ReadLine();
        }
    }
}