pwn-bllbl_bind_calc(盲打+逻辑)

from pwn import *

r = remote("1.95.36.136", 2074)
r.sendlineafter("您的名号：", b"a")
r.sendlineafter("请作答：", b"2")
r.sendlineafter("请回答：", b"22")


def dyy():
    r.recvuntil("看看这道题怎么样： ")
    payload = r.recvuntil("=")[:-1].decode()
    # print("payload>>>", payload)
    print("payload>>>", eval(payload))
    r.sendlineafter("请作答: ", str(eval(payload)).encode())


# while True:
def dy():
    for i in range(1000):
        try:
            dyy()
            print("i>>>", i)
            if i == 519:
                r.interactive()
        except:
            pass


dy()