#include "coords.h"
#include <iostream.h>

main()
{

  Coord p1(3,5);
  Coord p2(4,1);
  Coord p3(6,6);
  Coord p4(1,0);
  
  cout << "p1 = "; p1.print();
  cout << "p2 = "; p2.print();
  cout << "p3 = "; p3.print();
  cout << "p4 = "; p4.print();
  
  p1.add(p2);
  cout << "p1 = p1 + p2 = "; p1.print();

  p1.sub(p3);
  cout << "p1 = p1 - p3 = "; p1.print();

  if (p1.equal(p4))
  {
    cout << "p1 == "; p4.print();
  }else{
    cout << "p1 != "; p4.print();
  }

}