Can i pop to Specific ViewController?

Question

I am using navigation based application. I push First ViewController to Second ViewController and from Second ViewController to Third ViewController. Now I want to pop from

Answer 1

- (void) RetunToSpecificViewController{

   for (UIViewController *controller in self.navigationController.viewControllers)
    {
           if ([controller isKindOfClass:[AnOldViewController class]])
           {
            //Do not forget to import AnOldViewController.h

                       [self.navigationController popToViewController:controller
                                                             animated:YES];
                        break;
            }
    }
}