class ERR {
  static public void println(String msg){
    System.err.println(Thread.currentThread().toString() + ": " + msg);
  }
}
class MyThread extends Thread {
  Thread parent;
  public MyThread(Thread t) {parent = t;}
  public void run() {
    ERR.println("Hello");
    try {this.sleep(2);} catch (InterruptedException ie) {}
    parent.interrupt();
  }
}
class Main {
  public static void main(String[] argv) throws InterruptedException {
    MyThread aThread = new MyThread(Thread.currentThread());
    ERR.println("this is main");
    aThread.start();		// calls run()
    try {
      aThread.join();
      if (Thread.currentThread().isInterrupted()) {
	ERR.println("Have been interrupted");
	throw new InterruptedException("Suicide...");
      }
    } catch (InterruptedException ie) {
      ERR.println("Un-joinable:" + ie);
      throw ie;
    } finally {
      ERR.println("Bye");
    }
    ERR.println("So long...");	// Never printed
  }
}