using System;
using System.Web;
public class Program
{
public static void Main()
Console.WriteLine(HttpUtility.UrlEncode(@"b2ssIHRoYW5rIHlvdS4gIFRoZXkndmUgYWxyZWFkeSB0ZXN0ZWQgYjY0IGFuZCBpdCBkb2Vzbid0IHdvcmsuLi4="));
}