RectangleArea.cpp

#include <iostream>

using namespace std;

class Rectangle {
    protected:
    int width;
    int height;

    public:
    void display() {
        cout << width << ' ' << height << endl;
    }
};

class RectangleArea : public Rectangle {
    public:
    void read_input() {
        cin >> width >> height;
    }
    void display() {
        cout << width * height;
    }
};


int main()
{
    /*
     * Declare a RectangleArea object
     */
    RectangleArea r_area;
    
    /*
     * Read the width and height
     */
    r_area.read_input();
    
    /*
     * Print the width and height
     */
    r_area.Rectangle::display();
    
    /*
     * Print the area
     */
    r_area.display();
    
    return 0;
}