numbers = ['forward 1', 'down 5', 'down 6', 'down 2', 'forward 8', 'up 3', 'up 2', 'down 2', 'forward 9', 'forward 7', 'down 2', 'forward 5', 'down 2', 'forward 2', 'forward 1', 'down 8', 'forward 5', 'down 6', 'up 9', 'down 7', 'forward 6', 'forward 7', 'forward 8', 'up 3', 'down 8', 'forward 9', 'forward 5', 'forward 2', 'down 3', 'down 3', 'down 6', 'down 6', 'down 8', 'down 4', 'forward 1', 'up 9', 'down 7', 'up 6', 'down 2', 'down 8', 'forward 1', 'forward 7', 'forward 4', 'forward 1', 'forward 7', 'down 1', 'down 9', 'forward 6', 'forward 6', 'forward 7', 'forward 3', 'up 7', 'forward 7', 'up 1', 'forward 3', 'forward 4', 'up 4', 'forward 6', 'down 8', 'down 7', 'forward 4', 'up 6', 'up 8', 'down 5', 'down 6', 'forward 2', 'forward 7', 'forward 5', 'forward 4', 'down 5', 'down 8', 'down 4', 'down 4', 'down 3', 'forward 3', 'down 8', 'forward 7', 'up 6', 'down 3', 'down 7', 'down 3', 'forward 2', 'up 8', 'down 7', 'down 6', 'down 3', 'up 5', 'up 4', 'down 2', 'down 5', 'up 9', 'down 8', 'up 7', 'up 8', 'forward 7', 'down 9', 'up 5', 'down 5', 'down 5', 'up 4', 'down 4', 'up 3', 'down 1', 'down 4', 'down 7', 'forward 2', 'forward 9', 'up 8', 'down 8', 'forward 6', 'forward 8', 'down 6', 'down 2', 'forward 2', 'forward 7', 'up 7', 'down 4', 'forward 1', 'down 4', 'forward 2', 'up 3', 'forward 8', 'forward 7', 'forward 8', 'down 2', 'down 9', 'down 5', 'forward 7', 'down 7', 'forward 8', 'forward 2', 'up 2', 'forward 9', 'down 3', 'up 7', 'forward 2', 'down 4', 'up 3', 'up 8', 'forward 4', 'forward 4', 'forward 3', 'up 3', 'forward 5', 'forward 5', 'down 9', 'down 4', 'up 2', 'down 8', 'down 5', 'down 8', 'up 7', 'down 3', 'down 7', 'up 9', 'down 7', 'up 5', 'down 5', 'forward 2', 'forward 2', 'forward 6', 'down 4', 'up 3', 'forward 1', 'forward 3', 'forward 4', 'down 2', 'forward 2', 'down 1', 'down 2', 'down 3', 'forward 8', 'forward 1', 'down 5', 'forward 3', 'up 2', 'down 2', 'forward 3', 'forward 1', 'up 4', 'up 1', 'up 2', 'forward 4', 'forward 8', 'down 7', 'forward 2', 'down 8', 'forward 6', 'forward 3', 'up 7', 'down 3', 'down 3', 'forward 7', 'forward 9', 'down 8', 'down 8', 'up 1', 'up 8', 'down 5', 'up 3', 'forward 6', 'forward 4', 'forward 8', 'up 4', 'down 6', 'forward 2', 'forward 8', 'down 1', 'up 5', 'down 4', 'forward 5', 'up 1', 'forward 2', 'down 9', 'down 2', 'forward 8', 'up 3', 'up 7', 'forward 3', 'forward 4', 'down 7', 'up 3', 'down 7', 'forward 7', 'up 1', 'down 3', 'down 5', 'down 7', 'forward 5', 'down 1', 'up 9', 'forward 1', 'down 6', 'up 4', 'down 1', 'forward 7', 'forward 2', 'down 2', 'forward 2', 'down 7', 'down 4', 'down 7', 'down 9', 'down 6', 'down 2', 'up 6', 'forward 8', 'down 2', 'down 1', 'down 8', 'down 8', 'down 1', 'down 7', 'forward 4', 'forward 1', 'down 2', 'down 1', 'up 2', 'down 5', 'forward 3', 'forward 7', 'forward 9', 'up 5', 'down 7', 'down 3', 'forward 3', 'down 4', 'forward 6', 'forward 1', 'down 6', 'up 5', 'up 6', 'down 9', 'forward 9', 'forward 5', 'down 3', 'forward 5', 'up 4', 'down 4', 'down 6', 'forward 2', 'forward 2', 'down 5', 'down 1', 'forward 3', 'forward 5', 'up 5', 'down 1', 'down 5', 'down 3', 'down 4', 'down 2', 'down 2', 'forward 5', 'down 1', 'down 4', 'down 6', 'forward 4', 'down 1', 'down 1', 'down 7', 'forward 1', 'down 5', 'forward 6', 'forward 7', 'forward 3', 'down 6', 'forward 8', 'down 8', 'down 3', 'up 9', 'forward 3', 'up 5', 'forward 9', 'forward 3', 'forward 5', 'down 3', 'down 7', 'down 5', 'up 5', 'down 1', 'up 5', 'down 5', 'down 9', 'down 4', 'down 2', 'down 2', 'up 2', 'up 1', 'forward 2', 'forward 4', 'up 5', 'down 1', 'forward 6', 'up 7', 'up 5', 'down 5', 'forward 4', 'down 1', 'up 4', 'down 2', 'forward 3', 'forward 4', 'down 4', 'down 8', 'down 4', 'up 3', 'forward 6', 'forward 3', 'forward 1', 'up 3', 'forward 6', 'down 1', 'up 5', 'down 5', 'down 9', 'down 9', 'down 4', 'forward 9', 'down 6', 'down 6', 'forward 2', 'up 7', 'down 4', 'down 4', 'down 3', 'up 1', 'down 4', 'up 2', 'forward 9', 'down 2', 'down 6', 'down 6', 'up 5', 'down 7', 'down 6', 'down 9', 'down 8', 'forward 5', 'down 6', 'up 3', 'down 8', 'up 3', 'forward 5', 'down 1', 'forward 4', 'forward 3', 'down 9', 'down 4', 'forward 8', 'forward 8', 'up 4', 'forward 7', 'up 5', 'down 9', 'down 2', 'forward 6', 'down 4', 'forward 9', 'up 1', 'down 7', 'down 3', 'forward 6', 'up 7', 'forward 2', 'forward 1', 'down 9', 'up 4', 'forward 2', 'forward 6', 'forward 9', 'forward 9', 'down 7', 'forward 4', 'down 2', 'forward 1', 'forward 8', 'down 7', 'down 1', 'forward 5', 'forward 5', 'down 8', 'up 8', 'up 1', 'forward 2', 'down 8', 'forward 6', 'forward 1', 'forward 2', 'forward 7', 'down 3', 'forward 5', 'up 6', 'up 8', 'down 7', 'forward 2', 'forward 5', 'down 5', 'forward 8', 'down 6', 'down 3', 'up 2', 'down 7', 'forward 5', 'down 4', 'forward 3', 'up 7', 'up 6', 'forward 4', 'forward 7', 'forward 6', 'down 4', 'forward 5', 'up 3', 'up 5', 'down 8', 'forward 7', 'forward 2', 'forward 3', 'up 4', 'down 1', 'up 2', 'up 1', 'forward 6', 'up 3', 'down 3', 'forward 7', 'down 6', 'forward 9', 'forward 9', 'down 7', 'forward 1', 'down 9', 'down 9', 'forward 8', 'up 9', 'up 7', 'up 4', 'forward 4', 'down 3', 'down 4', 'forward 4', 'forward 5', 'down 2', 'down 7', 'down 1', 'forward 7', 'down 6', 'down 6', 'forward 3', 'up 1', 'forward 4', 'down 5', 'up 7', 'up 3', 'up 9', 'forward 8', 'up 4', 'forward 2', 'down 2', 'down 2', 'up 8', 'forward 1', 'forward 3', 'forward 7', 'down 7', 'up 5', 'down 3', 'down 4', 'down 6', 'forward 5', 'down 1', 'forward 5', 'down 4', 'forward 8', 'down 4', 'forward 6', 'forward 9', 'down 5', 'up 2', 'down 2', 'forward 1', 'forward 5', 'down 1', 'down 4', 'down 4', 'up 6', 'forward 7', 'forward 2', 'forward 9', 'down 1', 'forward 2', 'forward 6', 'forward 1', 'up 9', 'down 7', 'down 8', 'forward 3', 'forward 5', 'down 4', 'forward 2', 'forward 2', 'up 8', 'forward 3', 'forward 8', 'forward 5', 'up 6', 'forward 6', 'forward 3', 'down 4', 'up 8', 'down 3', 'forward 4', 'forward 3', 'up 4', 'forward 7', 'down 9', 'forward 3', 'down 6', 'forward 9', 'down 8', 'forward 6', 'down 7', 'down 1', 'forward 9', 'down 4', 'forward 8', 'forward 5', 'forward 7', 'up 5', 'up 3', 'down 8', 'down 5', 'down 2', 'up 3', 'up 7', 'down 8', 'forward 6', 'forward 4', 'forward 9', 'forward 6', 'forward 4', 'forward 1', 'down 1', 'down 3', 'up 3', 'up 7', 'down 9', 'down 5', 'forward 1', 'forward 6', 'forward 5', 'down 9', 'forward 9', 'forward 5', 'up 5', 'forward 8', 'forward 6', 'forward 4', 'down 4', 'down 6', 'down 1', 'forward 1', 'down 6', 'forward 8', 'down 3', 'down 6', 'down 5', 'forward 3', 'down 3', 'down 8', 'up 6', 'forward 6', 'down 6', 'down 4', 'down 8', 'down 9', 'down 3', 'down 4', 'down 5', 'forward 4', 'down 7', 'down 8', 'up 4', 'forward 4', 'down 9', 'forward 1', 'forward 1', 'down 6', 'up 3', 'up 6', 'down 8', 'up 7', 'forward 3', 'down 6', 'down 1', 'down 4', 'up 4', 'down 9', 'forward 1', 'down 3', 'up 1', 'forward 8', 'up 4', 'up 6', 'up 4', 'down 4', 'up 5', 'up 3', 'down 1', 'down 6', 'forward 9', 'down 2', 'forward 9', 'forward 8', 'down 2', 'forward 8', 'up 5', 'forward 5', 'forward 5', 'forward 4', 'up 8', 'down 3', 'forward 3', 'down 4', 'up 1', 'forward 4', 'up 7', 'down 1', 'down 4', 'forward 1', 'forward 9', 'down 7', 'forward 4', 'down 5', 'down 7', 'forward 9', 'down 2', 'down 2', 'down 1', 'down 2', 'forward 8', 'down 6', 'forward 5', 'down 2', 'down 1', 'up 4', 'forward 7', 'down 1', 'down 5', 'down 7', 'down 6', 'down 6', 'up 8', 'forward 3', 'up 8', 'up 9', 'down 2', 'down 1', 'down 5', 'up 8', 'forward 4', 'forward 6', 'down 2', 'down 3', 'forward 2', 'forward 2', 'forward 2', 'forward 3', 'down 7', 'forward 3', 'down 4', 'up 1', 'down 2', 'down 9', 'up 4', 'down 8', 'up 7', 'down 6', 'down 7', 'down 6', 'forward 6', 'down 4', 'forward 2', 'down 7', 'down 1', 'forward 2', 'forward 5', 'forward 6', 'down 1', 'down 4', 'forward 2', 'down 4', 'down 6', 'down 8', 'forward 9', 'down 8', 'forward 5', 'down 7', 'forward 5', 'up 1', 'down 1', 'down 9', 'down 3', 'forward 3', 'forward 5', 'down 6', 'forward 6', 'up 3', 'down 4', 'down 4', 'forward 7', 'forward 3', 'down 5', 'down 3', 'forward 7', 'up 5', 'forward 1', 'down 6', 'forward 1', 'forward 9', 'forward 9', 'up 9', 'forward 5', 'up 5', 'forward 6', 'down 8', 'up 4', 'up 8', 'forward 9', 'forward 4', 'down 5', 'down 2', 'down 9', 'forward 3', 'forward 6', 'forward 2', 'up 4', 'down 4', 'forward 3', 'down 8', 'down 3', 'up 3', 'forward 8', 'down 4', 'forward 4', 'forward 4', 'up 9', 'down 1', 'up 5', 'up 5', 'forward 8', 'forward 4', 'forward 5', 'forward 1', 'forward 3', 'forward 8', 'down 1', 'forward 2', 'forward 7', 'down 4', 'down 3', 'down 4', 'up 7', 'forward 9', 'forward 7', 'down 8', 'forward 2', 'down 4', 'up 9', 'down 9', 'down 9', 'up 2', 'down 9', 'down 9', 'down 6', 'up 9', 'up 6', 'down 7', 'forward 3', 'forward 9', 'forward 2', 'down 4', 'up 4', 'forward 1', 'up 1', 'down 6', 'down 3', 'down 2', 'up 6', 'down 5', 'down 8', 'up 4', 'forward 1', 'down 1', 'down 4', 'down 8', 'down 5', 'forward 2', 'down 5', 'forward 3', 'forward 1', 'forward 9', 'forward 4', 'down 6', 'down 4', 'down 3', 'forward 5', 'forward 4', 'down 1', 'up 7', 'down 4', 'up 3', 'forward 2', 'forward 4', 'up 2', 'up 9', 'forward 4', 'down 5', 'forward 9', 'up 1', 'forward 8', 'down 9', 'down 6', 'down 6', 'down 2', 'down 2', 'down 3', 'forward 8', 'down 2', 'down 5', 'forward 4', 'up 3', 'down 4', 'up 6', 'forward 7', 'up 2', 'down 6', 'down 8', 'forward 1', 'down 8', 'down 9', 'down 2', 'forward 3', 'forward 9', 'up 7', 'down 1', 'down 5', 'up 7', 'down 5', 'up 8', 'up 4', 'down 6', 'forward 1', 'forward 6', 'forward 9', 'forward 6', 'forward 6', 'forward 9', 'forward 8', 'down 8', 'down 8', 'down 4', 'down 7', 'down 9', 'up 9', 'down 7', 'down 2', 'forward 2', 'down 5', 'down 3', 'down 1', 'down 4', 'down 2', 'down 1', 'up 2', 'forward 6', 'down 3', 'down 3', 'down 1', 'forward 8', 'down 3', 'forward 1', 'forward 3', 'down 1', 'up 7', 'down 9', 'forward 5', 'forward 8', 'up 7', 'down 4', 'down 3', 'down 1', 'forward 2', 'forward 9', 'up 5', 'down 2', 'forward 6', 'forward 6', 'forward 2', 'forward 1', 'forward 1', 'down 9', 'forward 6', 'forward 6', 'down 2', 'down 6', 'up 5', 'forward 5', 'up 4', 'forward 4', 'down 2', 'down 2', 'down 7', 'down 1', 'down 4', 'forward 3', 'forward 3', 'up 8', 'down 8', 'forward 5', 'up 4', 'up 9', 'up 6', 'up 6', 'down 7', 'forward 2', 'up 1', 'forward 2', 'forward 4', 'forward 4', 'forward 2', 'forward 4', 'down 6', 'down 3', 'forward 9', 'forward 3', 'down 2', 'forward 6', 'forward 6', 'forward 4', 'forward 8', 'up 1', 'down 1', 'forward 1', 'down 7', 'up 6', 'up 8', 'down 1', 'down 4', 'down 3', 'up 4', 'forward 4', 'forward 5', 'down 5', 'down 8', 'up 7', 'down 2', 'down 6', 'forward 5']
horizontal = 0
depth  = 0
aim = 0
x = 0
while True:
	if x == len(numbers):
		break
	split = numbers[x].split(' ')
	if split[0] == 'forward':
		horizontal = horizontal + int(split[1])
		depth = depth + (aim * int(split[1]))
	elif split[0] == 'down':
		aim = aim + int(split[1])
	elif split[0] == 'up':
		aim = aim - int(split[1])
	x = x + 1

print(depth*horizontal)