#4811 NP HARD (Sat, 2012 Aug 25)

JUGGLING MY BALLS IS NP-HARD 
 ____            _   _ ____  
|  _ \   _____  | \ | |  _ \ 
| |_) | |_____| |  \| | |_) |
|  __/  |_____| | |\  |  __/ 
|_|             |_| \_|_|    
                          tQn