with open("input.txt", "r") as f:
    score = 0
    for line in f.readlines():
        line = line.strip()
        (winners, cards) = line.split(" | ")
        winners = list(winners.split(": ")[1].split(" "))
        cards = cards.split(" ")
        print(winners)
        print(cards)
        count = 0
        for card in cards:
            if card:
                if card in winners:
                    count += 1
        if count > 0:
            score += 2 ** (count - 1)
print(score)