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

#define PI 3.14

class Shape{
	public:
		shape(){}
		virtual int getArea() const { return 0;}
};


class Circle : public Shape {
	    private:
		double r;
		public:
			Circle(int _r) {r=_r;}

			int getArea() const { return PI*r*r;}

};

class Rectangle : public Shape{
	private:
		int width, length;
		public:
			Rectangle(int w, int l){width =w; length = l;}
			int getArea() const { return width * length; }
};
void displayArea(const Shape *p)
{
	 cout << "Area = " << p->getArea() << endl;
}
int main()
// Bo away ba automaticy bot bkat
{
//    Shape s;
//    Circle c(10);
//    Rectangle r(2,6);
//    displayArea(&s);
//    displayArea(&c);
//    displayArea(&r);
//	Shape *p;

// Bo away dana ba dana bikay
//	Shape s;
//	Circle c(10);
//	Rectangle r(2,6);
//
//	p = &s;
//	cout << "Shape area = " << p-> getArea() << endl;
//	p = &c;
//	cout << "Cricle area = " << p-> getArea() << endl;
//	p = &r;
//	cout << "Rectangle area = " << p-> getArea() << endl;

//shewazeke tr

Shape s;
Circle c(10);
Rectangle r(2,6);

Shape *list[3] = { &s, &c, &r };

for (int i=0; i<3; i++)
cout << "Area = " << list[i]->getArea()
<< endl;

	return 0;
}