#include<iostream.h>

main()
{
  int j;   // declare j as int

  j = 1;   // initialize j to 1
  cout << "j = " << j << '\n';
  j++;     // increment j
  cout << "j = " << j << '\n';
  j--;     // decrement j
  cout << "j = " << j << '\n';

  return 0;
}