using System;

class Emp

{   private int sal;

     public Emp(int x)

       {    sal = x; }

 public static int operator +(Emp a, Emp b)

    { int i = a.sal + b.sal;

       return i;

       }

}                   

public class Program

{

    public static void Main()

    {

          Emp e1 = new Emp(5000);

        Emp e2 = new Emp(15000);

        int total = e1 + e2;

        Console.WriteLine(total.ToString());  

    }

}