import java.util.*;
import java.io.*;
    public class IO_Example
    {
        public static void main(String args[]) throws IOException
        {	 
            char ch;
            BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));
            do 
            {
                ch = (char) obj.read();
	        System.out.print(ch);
            } while(ch!='w');
        }
    }