On to the next error :-)

qw() creates an array, from items separated by whitespace. Quotes and commas in qw() are usually a mistake. You want:

my @all_stores = qw(24 25);
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Or if, e.g., you wanted more stores (e.g. 10 to 99):

my @all_stores = (10..99); # or even ("10".."99")
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