Echo.java

import java.io.*;

class Echo
{
  public static void main(String[] args)
  throws IOException
  {
    BufferedReader reader = reader = new BufferedReader(new InputStreamReader(System.in));

    String line;
    while ((line = reader.readLine()) != null) {
        System.out.println(line);
    }
    reader.close();
  }
}