using System;

public class Program

{

    public static void Main()

    {

        sum();

    }

    public static void sum()

    {

        Console.Write("Input number1 :");

        int num1 = int.Parse(Console.ReadLine());

        Console.Write("Input number2 :");

        int num2 = int.Parse(Console.ReadLine());

        Console.WriteLine("Sum = {0}",num1+num2);

    }

}