using System;

public class Program

{

    public static void Main()

    {

        string str = Console.ReadLine();

        for(int i=0;i<str.Length;i++)

        {

            if(str[i] == '{')

                str = str.Replace(str[i].ToString(), "begin");

            if(str[i] == '}')

                str = str.Replace(str[i].ToString(), "end");

        }

        Console.WriteLine(str);

    }

}