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#include <stdio.h>

class Point {
	int x;
	int *y;
public:
	Point(int a,int b) {
		x = a;
		y = &x;
		*y = b;
	}
	void operator=(Point &p) {
		x = p.x;
		y = p.y;
	}
	void operator+(Point &p) {
		x = x + p.x;
		*y = *y + *(p.y);
	}
	void operator+(int z) {
		x = z;
		*y = z;
	}
	void print() {
		printf("%d %d\n",x,*y);
	}
};
void main()
{
	int data[5] = { 0, 1, 2, 3, 4 };

	Point a(data[0],data[1]);
	Point b(data[2],data[3]);
	Point &c = a;

	b = a;
	a+b;
	c+data[4];
	
	a.print();
	b.print();
	c.print();
}