def solve(data): p12 = [] for DS in [272, 35651584]: s = [int(c) for c in data] while len(s) < DS: b = [abs(int(c) - 1) for c in s[::-1]] s = s + [0] + b s = s[:DS] p = len(s) while p % 2 == 0: s = [int(a == b) for a, b in zip(s[::2], s[1::2])] p = len(s) p12.append("".join(map(str, s))) return p12 if __name__ == "__main__": with open("./input/16.txt", "r") as f: inp = f.read().strip() p1, p2 = solve(inp) print(p1) print(p2)