namespace ConsoleApplication3
{
    using System;
    class Program
    {
        static void Main(string[] args)
        {
            string email = Console.ReadLine();
            string text = Console.ReadLine();
            string censoredMail = new string('*',
                    email.Substring(0, email.IndexOf('@')).Length)  +
                    email.Substring(email.IndexOf('@'));
            Console.WriteLine(text.Replace(email,censoredMail));
        }
    }
}