setdate	0
add	Knight	Artificial Intelligence	A120.2.1
add	Rodney	Sunny Days	S120.2.1
register	Johnny	500 Huntclub Rd, Blacksburg, VA-24060	123412
register	Peter	121 University Rd, Houston, TX-12345	12009312
list	all
add	Rubini	Linux Device Drivers	L141.2.1
add	Morita	Made in Japan	G100.0.1
register	David	121 Progress St, Blacksburg, VA-24060	123412
register	David	121 Houston St, Blacksburg, VA-24060	500000
checkout	500000	L120.2.1
checkout	500000	L141.2.1
list	overdue
setdate	5
availability	L141.2.1
list	123412
setdate	7
availability	W12.3 v1
list	overdue
setdate	8
list	overdue
checkout	500000	G100.0.1
checkout	123412	L141.2.1
checkin	L141.2.1