You're falling into the
else {
$card{'co'} = $la[0];
shift @la;
}
case, which clears @la by shifting out the single element that's it's holding (i.e., "OH"). To verify this, dump %card.
I suspect you mean to be using "elsif" instead of a squence of single "if" statements followed by an "if/else". As you have things set up, you'll hit that else case for any $response other than 1.
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