using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

}class Program

{

static void Main()

{

Console.Write("a= ");

int a = int.Parse(Console.ReadLine());

Console.Write("b= ");

int b = int.Parse(Console.ReadLine());

Console.WriteLine("{0}+{1}={2}", a, b, a + b);

}

}