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

class Point{
public:
	Point(int xx=0,int yy=0){
		x=xx;
		y=yy;
	}
	Point(Point &p);
	int getX(){return x;}
	int getY(){return y;}
private:
	int x,y;
};

Point::Point(Point &p){
	x=p.x;
	y=p.y;
	cout<<"Calling the copy constructor of Point"<<endl;
}

class Line{
public:
	Line(Point xp1,Point xp2);
	Line(Line &1);
	double getLen(){return len;}
private:
	Point p1,p2;
	double len;
};

Line::Line(Point xp1,Point xp2) : p1(xp1),p2(xp2){
	cout<<"Calling constructor of Line"<<endl;
	double x=static_cast<double>(p1.getX()-p2.getX());
	double y=static_cast<double>(p1.getY()-p2.getY());
	len=sqrt(x*x+y*y);
}

Line::Line(Line &1) : p1(1.p1),p2(1.p2){
	cout<<"Calling the copy constuctor of Line"<<endl;
	len=1.len;
};

int main(){
	Point myp1(1,1),myp2(4,5);
	Line Line(myp1,myp2);
	Line Line2(Line);
	cout<<"the length of the Line is:"<<Line.getLen()<<endl;
	cout<<"the length of the Line2 is:"<<Line2.getLen()<<endl;
	return 0;
}