$0 = H
$1 = W
$99
$100
$5
$6 = $0
$6 = $6 * $1
while($5<$6)
	$9 = $5/$1
	$10 = $5%$1
	$7 = A[$9,$10]
	$8 = B[$9,$10]
		if($7==$8)
		$99 = $7
		$100 = $8
		end
end
return($99,$100)