using DecryptPwd.utils;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DecryptPwd
{
    class Program
    {
        static void Main(string[] args)
        {
            String res=FoxmailUtils.decodePW(19, "fff");
            System.Console.WriteLine(res);
        }
    }
}