An entry for the
 Vintage Computing Christmas Challenge 2021

Author:             Geir Straume
System:             Commodore 64
Language:           BASIC
BASIC as LIST'ed:   95 chars
BASIC as entered:   71 chars (*)
Executable length:  70 bytes
How to run:         Install VICE, drag and
                    drop the prg file into it

(*) BASIC line as entered with abbreviations,
to fit within two screen lines.