import base64
import random

flag="TSCTF-J{fake_flag}"

def GBK2312():
    head = random.randint(0xb0, 0xf7)
    body = random.randint(0xa1, 0xfe)
    val = f'{head:x} {body:x}'
    str = bytes.fromhex(val).decode('gb2312')
    return str

def b64encode(a):
    encode = base64.b64encode(a.encode('utf-8'))
    return encode

if __name__ == '__main__':
    for i in range(777):
        choice=random.random()
        if choice <= 0.3:
            chinese=GBK2312()
        else :
            chinese=str(random.choice(dic_word))
        chinese_base64=b64encode(chinese)
        print(f'Input base64(???) = {chinese_base64} plz!')
        s = input()
        if s == chinese:
            print(f'{i+1}:succeed')
        else :
            print(f'{i+1}:failed')
            quit()
    print(flag)