using System;

using System.Reflection;

using System.Web;

public class Program

{

    public static void Main()

    {

        string encoded = "%3cnotify%3e%3cpayment_type%3e1%3c%2fpayment_type%3e%3csubject%3e%u4f60%u7684%u7f8e%u4e50%u5bb6%u8ba2%u5355%3c%2fsubject%3e%3ctrade_no%3e2014121601489837%3c%2ftrade_no%3e%3cbuyer_email%3emouse_cxh%40hotmail.com%3c%2fbuyer_email%3e%3cgmt_create%3e2014-12-16+14%3a21%3a42%3c%2fgmt_create%3e%3cnotify_type%3etrade_status_sync%3c%2fnotify_type%3e%3cquantity%3e1%3c%2fquantity%3e%3cout_trade_no%3e206639477%3c%2fout_trade_no%3e%3cnotify_time%3e2014-12-16+15%3a08%3a56%3c%2fnotify_time%3e%3cseller_id%3e2088301678693225%3c%2fseller_id%3e%3ctrade_status%3eTRADE_FINISHED%3c%2ftrade_status%3e%3cis_total_fee_adjust%3eN%3c%2fis_total_fee_adjust%3e%3ctotal_fee%3e20.00%3c%2ftotal_fee%3e%3cgmt_payment%3e2014-12-16+15%3a04%3a22%3c%2fgmt_payment%3e%3cseller_email%3ewebservice%40melaleuca.com%3c%2fseller_email%3e%3cgmt_close%3e2014-12-16+15%3a04%3a22%3c%2fgmt_close%3e%3cprice%3e20.00%3c%2fprice%3e%3cbuyer_id%3e2088002009360378%3c%2fbuyer_id%3e%3cnotify_id%3ef2dd5fc1d59cf0f98ee4efcf92021ac242%3c%2fnotify_id%3e%3cuse_coupon%3eN%3c%2fuse_coupon%3e%3c%2fnotify%3e";

        Console.WriteLine(HttpUtility.UrlDecode(encoded, System.Text.Encoding.UTF8));

    }

}