#include <iostream>

using namespace std;
class Point {
private:
    int x, y;
public:
    Point(int _x = 0, int _y = 0) {
        x = _x;
        y = _y;
    }
    Point(const Point &tmp) {
        x = tmp.x;
        y = tmp.y;
    }
     int get_x() const { // this means we cannot change any variable in the function

        return x;
    }
};
int main()
{

    return 0;
}