#include <iostream>

class cPoint
{
	double x_, y_;
public:
	cPoint(double _x, double _y):x_(_x),y_(_y){}
	cPoint():x_(0),y_(0){}
	void SetX(double _x){ x_ = _x;}
	void SetY(double _y){ y_ = _y;}
	double GetX(){return(x_);}
	double GetY(){return(y_);}
};