This is MetaPost, Version 0.641 (Web2C 7.4.5) (mem=mpost 2003.12.8)  11 FEB 2004 17:13
**images.mp
(images.mp (/usr/share/texmf/metapost/base/boxes.mp) [0] [1] )
2 output files written: images.0 .. images.1