#include <iostream>

class Figura {
public:
    virtual void imprimir_figura() = 0;
};

class Cuadrado : public Figura {
public:
    void imprimir_figura() {
        std::cout << "Cuadrado\n";
    }
};

class Circulo : public Figura {
public:
    void imprimir_figura() {
        std::cout << "Circulo\n";
    }
};

int main() {
    Cuadrado sq;
    Circulo ci;
    sq.imprimir_figura();
    ci.imprimir_figura();
    Figura* p = &sq;
    p->imprimir_figura();
    p = &ci;
    p->imprimir_figura();
    return 0;
}