#include <iostream>
 
struct Point {
    int x_, y_;
    Point(int x, int y) : x_(x), y_(y) {}
};
 
struct Vector {
    int x_, y_;
    Vector(int x, int y) : x_(x), y_(y) {}
};
 
std::ostream& operator<<(std::ostream& os, Point const& p)
{
    return os << '(' << p.x_ << ',' << p.y_ << ')';
}
 
std::ostream& operator<<(std::ostream& os, Vector const& v)
{
    return os << '(' << v.x_ << ',' << v.y_ << ')';
}
 
int main() {
    Point p(3, 3);
    Vector v(2, -4);
    Point p2(p.x_ - v.x_, p.y_ - v.y_);
    std::cout << "Point p:  " << p << '\n';
    std::cout << "Vector v: " << v << '\n';
    std::cout << "Point p2: " << p2 << '\n';
}

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