using System;       

public class Program

{

    public static void Main()

    {

        cons a = new cons();

        a.addition();

    }

    public class cons

    {

        public int addition()

        {

        int x;

        int y;

        Console.Write("Enter a number ");

        x = Convert.ToInt32(Console.ReadLine());

        Console.Write("Enter a number ");

        y = Convert.ToInt32(Console.ReadLine());

        int cons = x + y;

        Console.WriteLine(cons);

            return cons;

        }

    }

    public class Add

    {

        private int addition;

        public int Addition

        {

            get {return addition;}

        }

    }

}