Main {
{{
  static Cd_graph m;
  static ClassGraph cg;
  public static void main(String args[]) throws Exception {
    m = Cd_graph.parse(System.in);
    //m.display();

    cg = new ClassGraph(true,false);
    TraversalGraph tg = new TraversalGraph("from Cd_graph to *",cg);
    m.construct(tg);
  }
}}
}