using System;

public class Program

{

    public static void Main()

    {

        // input data

        int a = int.Parse(Console.ReadLine());  // read input string until user pressed Enter, convert it to integer number

        int b = int.Parse(Console.ReadLine());  // input another number same way

        // calculate result

        int sum = a + b;    

        // output result

        Console.WriteLine("a + b = " + sum);    // note: plus sign means string concatenation here, since the 1st parameter is string

    }

}