#include<iostream>
using namespace std;
class Rectangle{
	private:
		int width;
		int height;
	public:
		Rectangle(){set(0,0);}
		Rectangle(int w,int h){set(w,h);}
		void set(int w,int h){width = w;height = h;}
		int getWidth(){
			return width;
		}
		int getHeight(){
			return height;
		}
		void show(void);
		int RecArea();
		int PerLength();
};
void Rectangle::show(){
	cout<<"Width = "<<width<<endl;
	cout<<"height = "<<height<<endl;
}
int Rectangle::RecArea(){
	return width*height;
}
int Rectangle::PerLength(){
	return (width+height)*2;
}
int main(){
	Rectangle rect;
	rect.set(3,4);
	rect.show();
	cout<<"Rectangle area = "<<rect.RecArea()<<endl;
	cout<<"Rectangle length = "<<rect.PerLength()<<endl;
}