TextFilter

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

namespace ConsoleApplication7
{
    class Program
    {

        static void Main(string[] args)
        {
            string pattern = Console.ReadLine();
            string input = Console.ReadLine();
            Console.WriteLine(RemoveTargeted(input, pattern));
        }
       static string RemoveTargeted(string input, string targeted)
        {
           string[] arrayTargeted = targeted.Split(new string[]{", "}, StringSplitOptions.None);
           foreach (var word in arrayTargeted)
           {
               input = input.Replace(word, new string('*', word.Length));
           }
           return input;
        }


    }
}