--

[numbers, BUAF]

     ___   __        ___       ____  __   __   __
,|  /   \ /  \ |  | |      /  /   / /  \ /  \ /  \
 |     .'   _/ |__| |__   /_     /  \__/ \__/ |  |
 |   .'      \    |    \ /  \   /   /  \   /  |  |
_|_ /___/ \__/    | \__/ \__/  /    \__/  /   \__/