#include <iostream>
using namespace std ;

class point
{
	public:
	int x1 ;
	int y1 ;
	point operator+( const point& param1 );
	friend ostream& operator<<(ostream& os, const point& param1) ;
};

point point::operator+( const point& param1 )
{
	cout << "Calling operator + member function." << endl ;
	point pointObj ;
	pointObj.x1 = x1 + param1.x1 ;
	pointObj.y1 = y1 + param1.y1 ;
	return pointObj ;
}

ostream& operator<<(ostream& os, const point& param1)
{
	  os << param1.x1 << " " << param1.y1 << endl  ;
      return os;
}

int main()
{
	point point1 ;
	point1.x1 = 1 ;
	point1.y1 = 1 ;
	point point2 ;
	point2.x1 = 2 ;
	point2.y1 = 2 ;

	cout << point1 << endl ;

	cout << point2 << endl ;
	return 0 ;
}