class Shape
{
public:
	Shape() {}
	~Shape() {}
	virtual float GetArea()=0;
	virtual float GetPerim()=0;
};

class Circle:public Shape
{
public:
	Circle(float radius):itsRadius(radius) {}
	float GetArea() 
	{
		return 3.14*itsRadius*itsRadius;
	}
	float GetPerim()
	{
		return 6.28*itsRadius;
	}
private:
	float itsRadius;
};

class Rectangle :public Shape
{
public:
	Rectangel(float len, float width):itsLength(len),itsWidth(width) {};
	~Rectangel (){};
	virtual float GetArea()
	{
		return itsLength* itsWidth;
	}
	float GetPerim()
	{
		return 2*itsLength+2*itsWidth;
	}
	virtual float GetLength()
	{
		return itsLength;
	}
	virtual float GetWidth()
	{
		return itsWidth;
	}
private:
	float itsWidth;
	float itsLength;
};