using System;

namespace Test

​

{

    public class arthimetic{

    int d;

    //no ip/p and o/p

    /*public void Test1(){

        Console.WriteLine(" no ip and op");

        }

        public string Test2(){

            return "no ip but string op";

        }

        public void Test3(string s){

            Console.WriteLine("hello " +s);

        }

       */

        public arthimetic (){

        Console.WriteLine("hi");

        }

public static void Main(String[] args)

        {

        arthimetic  a =new arthimetic();

​

         /* a.Test1();

          string b  = a.Test2();

    Console.WriteLine(""+b);

            a.Test3("sahi");

        */

        }

    }

}