Main {
  public static void main(String[] argv) (@
    try {
      TypeRegistry registry = TypeRegistry.parse(System.in);
      registry.display();
    }
    catch(ParseError e){
      System.out.println(e.getMessage());
      System.exit(1);
    }
  @)
} 
TypeRegistry{
  public void display() to BasicType
  {
    before BasicType (@
      host.display();
    @)
  }
}
BasicType {
(@
  // Can't use the name 'parse' becuase derived concrete classes will
  // define that method themselves.
  public static BasicType parseBasicType(java.io.InputStream in)
    throws ParseError 
  {
    return new Parser(in)._BasicType();
  }
  public static BasicType parseBasicType(String s)
  {
    try {
      return parseBasicType(new java.io.ByteArrayInputStream(s.getBytes()));
    }
    catch (ParseError e) {
      throw new RuntimeException(e.toString());
    }
  }
  public void display() {
    PrintWriter pw = new PrintWriter(System.out);
    universal_trv0(new DisplayVisitor(pw));
    pw.flush();
    System.out.println();
  }
@)
}