with open('input', 'r') as f:
    p_key_a = int(f.readline())
    p_key_b = int(f.readline())


print(p_key_a, p_key_b)

PRIME = 20201227
SUBJECT_NUMBER = 7


def main():
    enc_key = 1

    loop_size_a = 0
    print('Brute forcing loop size of a...')
    while enc_key != p_key_b:
        enc_key = loop(enc_key, SUBJECT_NUMBER)
        loop_size_a += 1

    enc_key = 1
    print(loop_size_a)
    for _ in range(loop_size_a):
        enc_key = loop(enc_key, p_key_a)

    print(enc_key)

    pass


def loop(num, subj_num):
    return (num * subj_num) % PRIME


main()