Main {
  public static void main(String args[]) throws Exception {{
    Cd_graph m = Cd_graph.parse(System.in);
    m.add_supers();
    if(m.check_cycles()){
	System.out.println("Please fix cycle errors and rerun program.");
	System.exit(1);
    }
    //m.display();
    m.flatten();
    m.check_unique();
    m.check_defined();
    m.check_inherit();
    m.terminal_check();
    //m.flatten();
    m.display();
    ClassGraph cg1 = new ClassGraph(true,false);

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