from lib import * input = read_input(2016, 1) x = y = 0 dx, dy = 1, 0 for e in input.split(", "): l = int(e[1:]) if e[0] == "L": dx, dy = dy, -dx else: dx, dy = -dy, dx x += l * dx y += l * dy print(abs(x) + abs(y)) x = y = 0 dx, dy = 1, 0 seen = {(0, 0)} for e in input.split(", "): l = int(e[1:]) if e[0] == "L": dx, dy = dy, -dx else: dx, dy = -dy, dx for i in range(l): x += dx y += dy if (x, y) in seen: print(abs(x) + abs(y)) break seen.add((x, y)) else: continue break