using System;

public class Program

{

     public static void Main(String[] args)

    {

        do {

            Console.Write("x = ");

            string str = Console.ReadLine();

            int x = Convert.ToInt32(str);

            Console.Write("y = ");

            int y = Convert.ToInt32(Console.ReadLine());

            int sum = x + y;

            Console.WriteLine ("Result: {0}", sum);

    }

    while (true);

}

}