#include <iostream>
using namespace std;
class Point {
private:
    int x, y;
public:
    Point() {}
    Point(int _x, int _y) {
        x = _x;
        y = _y;
    }

    Point operator + (Point p) {
        Point ret;
        ret.x = x + p.x;
        ret.y = y + p.y;
        return ret;
    }
    Point operator - (Point p) {
        Point ret;
        ret.x = x - p.x;
        ret.y = y - p.y;
        return ret;
    }
    Point operator * (Point p) {
        Point ret;
        ret.x = x * p.x;
        ret.y = y * p.y;
        return ret;
    }
    Point operator / (Point p) {
        Point ret;
        ret.x = x / p.x;
        ret.y = y / p.y;
        return ret;
    }
    bool operator < (Point p) {
        if(x < p.x and y < p.y) {
            return true;
        }
        return false;
    }
    bool operator > (Point p) {
        if(x > p.x and y > p.y) {
            return true;
        }
        return false;
    }
    bool operator <= (Point p) {
        if(x <= p.x and y <= p.y) {
            return true;
        }
        return false;
    }
    bool operator >= (Point p) {
        if(x >= p.x and y >= p.y) {
            return true;
        }
        return false;
    }
    bool operator == (Point p) {
        if(x == p.x and y == p.y) {
            return true;
        }
        return false;
    }
    bool operator != (Point p) {
        if(x == p.x and y == p.y) {
            return false;
        }
        return true;
    }
    Point& operator += (Point p) {
        x += p.x;
        y += p.y;
        return *this;
    }
    Point& operator -= (Point p) {
        x -= p.x;
        y -= p.y;
        return *this;
    }
    Point& operator *= (Point p) {
        x *= p.x;
        y *= p.y;
        return *this;
    }
    Point& operator /= (Point p) {
        x /= p.x;
        y /= p.y;
        return *this;
    }
    Point& operator = (const Point &p) {
        if(this != &p) {
            x = p.x;
            y = p.y;
        }
        return *this;
    }
    Point& operator ++ (int p) {
        x++;
        y++;
        return *this;
    }
    Point& operator -- (int p) {
        x--;
        y--;
        return *this;
    }
    void pecati() {
        cout << x << " " << y << endl;
    }
};
int main() {
    Point p1(10, 10);
    Point p2(10, 5);
    p1++;
    p1--;
    p1.pecati();
    return 0;
}
// overload
// override
/*
 a: 4 3 2 1 1
 b: 6 4 3 6 1 6
 c: 4 3 2 1
 */