import random
from secret import flag


def encrypt(a, b):
    result = bytearray()
    for i in range(len(a)):
        result.append((a[i] & ~(b[i] % 0xff)) | (~a[i] & (b[i] % 0xff)))
    return result


for _ in range(624 * 10):
    key = [random.getrandbits(32) for _ in range(len(flag))]
    ct = encrypt(flag, key)
    print(ct.hex())