numbers = (from_json input)
flip_count = 0
checksum = 0

while numbers.0 != 1 {
	(reverse numbers 0 numbers.0)
	
	if flip_count % 2 == 0 {
		checksum += flip_count
	} else {
		checksum -= flip_count
	}

	checksum += flip_count * 1
	
	flip_count += 1
}

(output numbers)
(output flip_count)
(output checksum)