import re import sys def is_tls(line): rx = re.compile(r'(\w)(\w)\2\1') parts = re.split(r'\[(.+?)\]', line) good = [m for p in parts[::2] for m in rx.findall(p) if m[0] != m[1]] bad = [m for p in parts[1::2] for m in rx.findall(p) if m[0] != m[1]] return bool(good and not bad) def is_ssl(line): rx = re.compile(r'(?=(\w)(\w)\1)') parts = re.split(r'\[(.+?)\]', line) good = {m for p in parts[::2] for m in rx.findall(p) if m[0] != m[1]} bad = {m[::-1] for p in parts[1::2] for m in rx.findall(p) if m[0] != m[1]} return bool(good & bad) ans1 = 0 ans2 = 0 text = sys.stdin.read() for line in text.strip().splitlines(): ans1 += is_tls(line) ans2 += is_ssl(line) print(ans1) print(ans2)