using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

 double length, width, area;

           length = 2;

           width = 6;

           area = length * width;

           Console.WriteLine("length: " + length);

           Console.WriteLine("width: " +  width); 

           Console.WriteLine("Area of rectangle: " + area);}