//yy.java -- by tsaiwn@csie.nctu.edu.tw
// modified from yy.cpp
// javac yy.java
// java yy
// java yy > xx.txt
import java.io.*;
class yy {
  public static void main(String xx[ ]) throws Exception {
     new yy( );
  }
  yy( ) throws Exception {
      PrintStream cout = System.out;
      PrintStream cerr = System.err;
      String buf;
      BufferedReader cin = new BufferedReader(
            new InputStreamReader( System.in ) );
      cout.print("ha ha ha ...");
      cout.flush( );
      cerr.print("passwd: ");
      buf = cin.readLine();
      cout.print("you say ..");
      cout.println(buf);  // with newLine
  } // yy constructor
}// class
