/* PISTECLA.CPP */
#include <stdio.h>
#include <iostream.h>

class piste {
  int x,y;
public:
  void tulosta() const {printf("(%d,%d)\n",x,y);}
  void aseta(int nx,int ny) { x = nx; y = ny; }
  int x() const { return this->x; }
  int y() const { return this->y; }
};


int main(void)
{
  piste p; p.aseta(3,2);
  p.tulosta();
  p.aseta(7,1);
  p.tulosta();
  cout << p.x() << "\n";
  return 0;
}