One is a pink capsule with A 270 on it,
This pill is
LITHIUM CARBONATE 300 MG
Imprint Code A / 270
Description pink, oblong capsule
Info at
http://lithium.drugs.com the other is a tiny round yellow tablet with "a 009" over 15.
This pill is
ABILIFY 15 MG
Generic Name
Aripiprazole
The 15-mg ABILIFY tablets are yellow, round tablets, debossed on one side with "A-009" and "15".
You will find an image at the bottom of the PDR page for Abilify at
http://www.drugs.com/PDR/Abilify_Tablets.html
Info at
http://abilify.drugs.com