A second count. A third. And once all his numbers came out the same, he lined prizes up with the winners:
Olivia [chirigami]: 594 [15 off]
Amarus [Face your demons]: 600 [21 off]
Ruth [Huni Pi]: 547 [32 off]
He'd sent out the prizes first, and then carefully deconstruct his booth for next time.
THIS IS HALLOWEEN
WHERE IT IS ALWAYS HALLOWEEN (and sometimes exams)