x = y = direction = 0
moves = open('input.txt', 'r').readline().strip().split(', ')
visited = set()

for move in moves:
	if move[0] == 'L':
		if direction == 0:
			direction = 3
		else:
			direction -= 1
	elif move[0] == 'R':
		if direction == 3:
			direction = 0
		else:
			direction += 1

	dist = int(''.join(move[1:]))
	for _ in range(dist):
		if direction == 0:
			y -= 1
		elif direction == 1:
			x += 1
		elif direction == 2:
			y += 1
		elif direction == 3:
			x -= 1

		if (x, y) in visited:
			print(abs(x) + abs(y))
			input()
			exit()
		else:
			visited.add((x, y))

x = y = direction = 0
moves = open('input.txt', 'r').readline().strip().split(', ')
visited = set((0, 0))

for move in moves:
	if move[0] == 'L':
		if direction == 0:
			direction = 3
		else:
			direction -= 1
	elif move[0] == 'R':
		if direction == 3:
			direction = 0
		else:
			direction += 1

	dist = int(''.join(move[1:]))
	for _ in range(dist):
		if direction == 0:
			y -= 1
		elif direction == 1:
			x += 1
		elif direction == 2:
			y += 1
		elif direction == 3:
			x -= 1

		if (x, y) in visited:
			print(abs(x) + abs(y))
			input()
			exit()
		else:
			visited.add((x, y))

Add starting position to the list of visited locations