HTMLify

#include <iostream>
using namespace std;

class Animal {
public:
    Animal() {
        cout << "A ";
    }

    virtual void sound() {
        cout << "Animal ";
    }
};

class Dog : public Animal {
public:
    Dog() {
        cout << "D ";
    }

    void sound() override {
        cout << "Dog ";
    }
};

int main() {
    Animal* obj = new Dog();
    obj->sound();
}