using System;

public class Program

{

    public static void Main()

    {

        int x = 0;

        x = 2;

        x = x + x;

        Console.WriteLine("Hello World");

        Console.WriteLine(x);

        //x = x + 1;

        //Console.WriteLine(x);

        //x++;

        //Console.WriteLine(x);

        //x+= 1;

        //Console.WriteLine(x);

    }

}