import socket
import struct
import telnetlib
from hexdump import hexdump

def q(a):
    return struct.pack("I", a)

def interact():
    print " ** INTERACT ** "
    t = telnetlib.Telnet()
    t.sock = s
    t.interact()

s = socket.create_connection(("vortex.labs.overthewire.org", 5842))

acc = 0

for i in range(4):
    acc += struct.unpack("<I", s.recv(4))[0]

s.send(q(acc))

interact()