class A {
  public:
	std::string __class__;
	int  x;
	void __init__(int x);
	int method1();
	A() {__class__ = std::string("A");}
};
	void A::__init__(int x) {
		this->x = x;
	}
	int A::method1() {
		return this->x;
	}
class B:  public A {
  public:
	int method1();
	void method2(int y);
	B() {__class__ = std::string("B");}
};
	int B::method1() {
		return (this->x * 2);
	}
	void B::method2(int y) {
		std::cout << (this->x + y) << std::endl;
	}
class C:  public A {
  public:
	int method1();
	void say_hi();
	C() {__class__ = std::string("C");}
};
	int C::method1() {
		return (this->x + 200);
	}
	void C::say_hi() {
		std::cout << std::string("hi from C") << std::endl;
	}
int main() {
	A  _ref_a = A{};_ref_a.__init__(1); std::shared_ptr<A> a = std::make_shared<A>(_ref_a);
	B  _ref_b = B{};_ref_b.__init__(200); std::shared_ptr<B> b = std::make_shared<B>(_ref_b);
	C  _ref_c = C{};_ref_c.__init__(3000); std::shared_ptr<C> c = std::make_shared<C>(_ref_c);
	std::vector<std::shared_ptr<A>> _ref_arr = {a,b,c};std::shared_ptr<std::vector<std::shared_ptr<A>>>
	arr = std::make_shared<std::vector<std::shared_ptr<A>>>(_ref_arr);
	for (auto &item: _ref_arr) {
		std::cout << item->method1() << std::endl;
		if (item->__class__==std::string("B")) {
			auto _cast_item = std::static_pointer_cast<B>(item);
			_cast_item->method2(20);
		}
		if (item->__class__==std::string("C")) {
			auto _cast_item = std::static_pointer_cast<C>(item);
			_cast_item->say_hi();
		}
	}
	return 0;
}