Main {
//   from demjava

(@ 
  private static File output;
  static PrintWriter out;

  static public void main(String args[]) throws Exception {
    ObjectGraph comp = ObjectGraph.parse(System.in);
    comp.show();

// File gendir = new File("gen2");
// File xcdfile = new File(gendir, "produced");
// openOutputFile(xcdfile);
// comp.toAll(new PrintVisitor(out));
// closeOutputFile();

//     InputStream in = makeInputStream(xcdfile);
//     prog =  ObjectGraph.parse(in);

    System.out.println("done ");
  }
@)

// from demjava

/** Open the file, setting Program.out to the stream. */
//static void openOutputFile() (@
//file = new File("produced");
//try {
//ck = new /* CRC32 */ Adler32();
//out = new PrintWriter
//(new CheckedOutputStream(new FileOutputStream(file), ck));
//} catch (IOException e) {
//throw new RuntimeException(e.toString());
//}
//@)

/** Close and flush the current output file.  If the file hasn't
changed, move the old one back so the timestamp doesn't change. */
//static void closeOutputFile() (@
//out.flush();
//out.close();
//@)

}

ObjectGraph {
  void show() to * (DisplayVisitor);
  traversal toAll(UniversalVisitor) { to *;}
}