#pragma once

class Point {
 public:
  Point(const int x, const int y);             // constructor
  int get_x() const { return x_; }             // inline member function
  int get_y() const { return y_; }             // inline member function
  double Distance(const Point &p) const;       // member function
  void SetLocation(const int x, const int y);  // member function
 private:
  int x_;  // data member
  int y_;  // data member
};         // class Point

Point operator+(Point a, Point b);