Straight-Line Program Interpreter

Type or paste your Straight-Line Program (in Atlas form) into this box:

Auto-return
This will cause the next page to redirect back to this one after 5 seconds --
very useful, if you happen to need to do what I've been doing...

Note: inp and oup are not implemented, as I have no need for them at present
(and there is no standard way to implement them anyway)