```

from pwn import *
import re
import logging

datam = remote("chals.tuctf.com", 30202)
k = 0
for dongu1 in range(510000):
if k == 0:
k+=1
question = str(datam.recvline())
if "exec" in question:
continue
print(question)
unquest = question[2:100]
unquest2 = unquest[:-3]
cevap= str(eval(unquest2))
print(cevap)
datam.sendline(cevap)
print(str(datam.recvline()))
else:
question = str(datam.recvline())
if "exec" in question:
continue
print(question)
unquest = question[2:100]
unquest2 = unquest[:-3]
cevap= str(eval(unquest2))
print(cevap)
datam.sendline(cevap)
print(str(datam.recvline()))

```

TUCTF{7h4nk5_f0r_74k1n6_7h1n65_4_l177l3_5l0w_4268285}