// standardio/Echo.java
// ©2016 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
// How to read from standard input.
// {TimeOutDuringTesting}
import java.io.*;

public class Echo {
  public static void main(String[] args)
  throws IOException {
    BufferedReader stdin = new BufferedReader(
      new InputStreamReader(System.in));
    String s;
    while((s = stdin.readLine()) != null && s.length()!= 0)
      System.out.println(s);
    // An empty line or Ctrl-Z terminates the program
  }
}
/* Output: (None) */