with open("input.txt") as f:
	pipes = f.read().splitlines()

def part1(pipes):
	start = [
	(i, j)
	for i, line in enumerate(pipes)
	for j, char in enumerate(line)
	if char == "S"
	][0]

	distance = [([0] * len(pipes[0]))] * len(pipes)

	x, y = start
	d = 0