//
// Created by 21122 on 2022/8/18/0018.
//
#include<iostream>
using namespace std;

struct Point
{
    int x, y;
    Point(int x = 0, int y = 0) : x(x), y(y) {};
};

Point operator + (const Point& A, const Point& B)
{
    return Point(A.x + B.x, A.y +B.y);
}

ostream& operator << (ostream& out, const Point& p)
{
    out << "(" << p.x <<"," << p.y << ")";
    return out;
}

int main()
{
    Point a, b(1, 2);
    a.x = 3;
    cout << a + b << endl;

    return 0;
    
}