#include 


using namespace std;

class Point {
private:
    int x, y;
    
public:
    Point () {}
    Point(int _x, int _y) {
        x = _x;
        y = _y;
    }
    
    friend ostream & operator << (ostream & stream, Point p);
    friend istream & operator >> (istream & stream, Point & p);
};

ostream & operator << (ostream & stream, Point p) {
    stream << p.x << " " << p.y << endl;
    return stream;
}
istream & operator >> (istream & stream, Point  & p) {
    stream >> p.x >> p.y;
    return stream;
}
int main()
{
    Point p1;
    cin >> p1;
    
    cout << p1;
    
    return 0;
}