Neither of these pills is
Xanax (not even close).
Both are
Hydrochlorothiazide 25 mg, which is a diuretic.
Info at
http://hydrochlorothiazide.drugs.com The first one has what looks like two LL on one side or maybe it could be two J's joined together sort of .and on the back it is scored with an H over 14.
This pill is HYDROCHLOROTHIAZIDE 25 MG
Imprint Code LL / H 14
Description pale peach, round, scored tablet
The other one has no markings oone side and has a 3571 /V on it.
This pill is HYDROCHLOROTHIAZIDE 25 MG
Imprint Code 3571 V
Description peach, round, scored tablet