class rectangle{
  private:
    int *h;
    int *w;
  public:
    rectangle();
    rectangle(int, int);
    rectangle(const rectangle &);
    ~rectangle();
    rectangle& operator=(const rectangle &);
    int geth();
    void seth(int);
    int getw(){return *w;};
    void setw(int a){*w = a;};
    int area();
};