using System;

public class Program

{

    public static void Main()

     {

            long a = -123123123123;

            long b = 1234567890123;

            long c = a+b;

            Console.WriteLine("Birinci degisken: " + a);

            Console.WriteLine("Ikinci degisken: " + b);

         Console.WriteLine("Iki degisken toplamı : " + c);

        }

}