#include <iostream.h>

main()
{
  int i = 1,    // i is initialised to 1.
      j;

  cout << i << endl;

  // "i++" and "++i" have no observable differences when they are used as
  // statements by themselves (not part of an expression).
  i++;          // i is incremented to 2.
  cout << i << endl;
  ++i;          // i is incremented to 3.
  cout << i << endl;

  j = i++;      // j is assigned to 3 and then i is incremented to 4.
  cout << "i=" << i << ", j=" << j << endl;
  j = ++i;      // i is incremented to 5 and then j is assigned to 5.
  cout << "i=" << i << ", j=" << j << endl;

  return 0;
}