using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace Csharp

{

    classProgram

    {

       static void Main(string[] args)

       {

           string myString = Console.ReadLine();

           string [] myWords = myString.Split(' ');

           foreach (string word in myWords)

               Console.Write("{0} ", (word == "yes") ? "no" : word);

           Console.WriteLine();

           Console.ReadKey();

       }

    }

}