/*
NIIT 《C++ & CGI PROGRAMMING &SCRRIPTING》 Skill Base
P3.7		◆3.P.2◆
Checkup：	MrZhou
*/

#include <iostream.h>
int main()
{
  int x,y;
  int *ptr;
  x=100;
  y=200;

  ptr=&x;
  cout << *ptr <<endl;
  x=x+y;
  cout << *ptr << endl;
  cout << x <<endl;

  return 0;
} // end of