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);