#include <iostream>
#include <cstdlib>
using namespace std;

class Rectangle {
  private:
    int *width, *height;
  public:
    Rectangle(int w, int h);
    ~Rectangle();
    void setWidth(int w);
    void setHeight(int h);
    int getWidth();
    int getHeight();
};

Rectangle::Rectangle(int w, int h) {
  width = new (nothrow) int;    
  height = new (nothrow) int;
  if(width == NULL || height == NULL) {
    cerr << "Memory allocation failure!\n";
    exit(-1);
  }
  *width = w; *height = h;
  cout << "Constructing rectangle (w:"<< *width <<", h:"<<*height<<")\n";
}

Rectangle::~Rectangle() {
  cout << "Destructing rectangle (w:"<< *width <<", h:"<<*height<<")\n";
  delete width;
  delete height;
}

void Rectangle::setWidth(int w) { *width = w; }
void Rectangle::setHeight(int h) { *height = h; }
int Rectangle::getWidth() { return *width; }
int Rectangle::getHeight() { return *height; }

int main () {
  Rectangle rect(5,6);
  cout << "area: " << rect.getWidth() * rect.getHeight() << endl;
  return 0;
}