my @random_numbers;
push(@random_numbers, int(rand(54)) + 1)
   foreach 1..10000;

my %counts;
$counts{$_}++
   foreach @random_numbers;

printf("%2d: %d\n", @$_)
   foreach
      sort { $a->[1] <=> $b[1] || $a->[0] <=> $b[0] }
         map { [ $_, $counts{$_} ] }
            keys(%counts);