using System;

using System.Web;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        Console.WriteLine(HttpUtility.UrlDecode("3654%20TOWNLEY%20ROAD%7F%2CSHAKER%20HEIGHTS%2C44122%2COHIO%2CUS"));

​

        Console.WriteLine(HttpUtility.UrlEncode("3654 TOWNLEY ROAD•,SHAKER HEIGHTS,44122,OHIO,US"));

    }

}