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

        (*this).x = x;
        (*this).y = y;
    }

    void print(int x, int y) {
        cout << (*this).x << " " << (*this).y << endl;
    }

};
int main()
{
    Point p1(1, 3);
    p1.print(10, 20);



    return 0;
}