#include 
#include 
#include 
#include 
#include 
 
using namespace std;

class Point {
private:
    double x, y, z;
public:
    Point(double _x = 1.0, double _y = 1.0, double _z = 1.0) {
        x = _x;
        y = _y;
        z = _z;
    }
    double get_x() const {
        return x;
    }
    double get_y() const {
        return y;
    }
    double get_z() const {
        return z;
    }
};
int main()
{
    Point p;
    cout << p.get_x() << " " << p.get_y() <<" " << p.get_z() << endl;
    return 0;
}