JOIN David XEROX
JOIN Mario XEROX
JOIN John Digital
JOIN Fred Digital
JOIN Phil IBM
CHANGE Fred NEC
JOIN Miriam Digital
JOIN Sharon Microsoft
JOIN Harvey Digital
CHANGE Miriam Borland
PAYDAY
EMPLOYEES Digital
JOIN Marge Borland
JOIN Lesley Microsoft
JOIN Sam Digital
JOIN George NEC
JOIN Bob Borland
JOIN Susan IBM
JOIN Joshua Digital
JOIN Max NEC
PAYDAY
EMPLOYEES IBM
EMPLOYEES Digital
EMPLOYEES NEC
JOIN Tim IBM
DEMOTE Harvey
PROMOTE Max
DEMOTE Marge
CHANGE Marge IBM
QUIT John
PAYDAY
QUIT Mario
QUIT David
PROMOTE Marge
PROMOTE Marge
PAYDAY
EMPLOY
EMPLOYEES IBM
EMPLOYEES XEROX
JOIN John Compaq
JOIN Ralph Compaq
QUIT Phil
JOIN Phil Compaq
DUMP
CHANGE Marge Compaq
CHANGE Miriam Compaq
CHANGE Fred Compaq
CHANGE Susan Compaq
QUIT Tim
PAYDAY
EMPLOYEES Compaq
JOIN Mario XEROX
JOIN David XEROX
EMPLOYEES XEROX
JOIN Tim Compaq
PROMOTE Tim
PROMOTE Fred
DEMOTE Miriam
JOIN Laszlo Digital
PROMOTE Laszlo
CHANGE Joshua Compaq
PAYDAY
PROMOTE Sharon
DEMOTE Lesley
PROMOTE Bob
DEMOTE Bob
DEMOTE John
UNEMPLOYED
PAYDAY
DUMP
END
