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Program 3

#include <iostream>
#include <string>
#include "point.h"

int main(){
  using namespace std;

  Point p1(1,2),
        *p2 = new Point(1,2);

  p1.move(1,1)->move(2,2);
  p2->move(1,1)->move(2,2);

  cout << p1 << endl;    // (4,5)
  cout << *p2 << endl;   // (4,5)
}