using System;

public class Program

{

    public static void Main()

    {

        byte bytMenu;

        bytMenu = 1;

        switch(bytMenu){

            case 0:

                Console.WriteLine("Operator");

                break;

            case 1:

                Console.WriteLine("Check Balance");

                break;

            case 2:

                Console.WriteLine("Make Payment");

                break;

            default:

                Console.WriteLine("Not a valid menu option.");

                break;

        }

    }

}