using System;

public class Program

{

    int n1,n2,n3;

    public void setdata(){

        Console.WriteLine("enter number 1");

        n1=int.Parse(Console.ReadLine());

        Console.WriteLine("enter number 2");

        n2=int.Parse(Console.ReadLine());

    }

    public void setdata1(){

        n3=n1+n2;

    }

    public int add(int num1,int num2){

        int result;

        result=num1+num2;

        return result;

    }

    public void display(){

        Console.WriteLine("The sum is {0}",n3);

    }

    public static void Main()

    {

        Program p=new Program();

        p.setdata();

        p.setdata1();

        p.display();

        int val=p.add(30,23);

        Console.WriteLine("the result is {0}",val);

    }

}