Main {
{{
  static ClassGraph cg1;
  static TraversalGraph tg1;
  public static void main(String args[]) throws Exception {
    Cd_graph m = Cd_graph.parse(System.in);
    m.display();
    ClassGraph cg1 = new ClassGraph(true,false);
    TraversalGraph tg1 = new TraversalGraph("from * to *", cg1);

    System.out.println();
    System.out.println(cg1);
  }
}}
}