from random import choice as c
from random import randint, shuffle
from Crypto.Util.number import * # type: ignore

flag = b"flag{this_is_a_test_flag}"

# 白名单列表，包含允许在问题中使用的关键词和符号
white_list = ['==', '(', ')', 'C0', 'C1', 'C2', 'C3', 'C4', 'C5', 'C6', '0', '1', 'and', 'or', 'not']

# 定义一个函数 calc，用于计算问题的结果
def calc(ans, chests, expr):
    try:
        C0, C1, C2, C3, C4, C5, C6 = chests
        r = eval(expr)
    except Exception as e:
        print("Shannon fails to understand your words.\n", e)
        exit(0)
    return ans(r)

# 定义一个游戏回合函数 do_round
def do_round():
    # 定义两个函数 truth 和 lie，用于判断 Shannon 的回答是否为真或假
    truth = lambda r: not not r
    lie = lambda r: not r
    chests = []
    for i in range(7):
        # 随机生成 7 个 True 或 False，表示每个箱子是宝藏还是怪物
        chests.append(c((True, False)))
    print("Seven chests lie here, with mimics or treasure hidden inside.\nBut don't worry. Trusty Shannon knows what to do.")
    # 随机选择 Shannon 的回答策略，包括多少次 lie
    lie_count = c((1, 2))
    Shannon = [truth] * (15 - lie_count) + [lie] * lie_count
    # 猜猜第几次是在说谎 :-)
    shuffle(Shannon)
    for i in range(15):
        print("Ask Shannon:")
        question = input().strip()  # 输入问题
        for word in question.split(" "):
            if word not in white_list:  # 检查问题中是否包含白名单以外的关键词或符号
                print("({}) No treasure for dirty hacker!".format(word))
                exit(0)
        res = str(calc(Shannon[i], chests, question))  # 计算问题的结果
        print('Shannon answers: {}!\n'.format(res))
    print("Now open the chests:")
    # 输入0或1表示每个宝箱的真假，用空格隔开
    chests_string = input()
    return chests == list(map(int, chests_string.strip().split(" ")))

# 游戏开始
print("The Unbreakable Shannon has returned, with some suspicious chests and a far more complicated strategy -- he MAY LIE ONCE OR TWICE! Can you still get all the treasure without losing your head?")

for i in range(50):
    if not do_round():  # 执行游戏回合
        print("A chest suddenly comes alive and BITE YOUR HEAD OFF.\n")
        exit(0)
print("You've found all the treasure! {}\n".format(flag))  # 赢得游戏，获得flag