Main {
{{
  static ClassGraph cg;	
  static Program p;

  public static void main(String args[]) throws Exception {
    p = Program.parse(System.in);
    System.out.println();
    //p.print();

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