I have to submit my comp project 2morrow , on C++ program . I ain't getting any program 2 write,HELP?

The program should be atleast of 5 pages and max. of 10 when i print it out . pls give more than 1 options . eg- banking , sales management system , rlwy reservetion , etc . my frnds have taken these topics and repetition is not allowed . pls suggest some nice topic (it can be a game but with no graphics) gotta help !!!