```#!/usr/bin/env python2
import osimport pwnfrom Crypto.Util.number import long_to_bytes
p = 160634950613302858781995506902938412625377360249559915379491492274326359260806831823821711441204122060415286351711411013883400510041411782176467940678464161205204391247137689678794367049197824119717278923753940984084059450704378828123780678883777306239500480793044460796256306557893061457956479624163771194201g = 2
if __name__ == '__main__':    if 'REMOTE' in os.environ:        r = pwn.remote('ppc2.chal.ctf.westerns.tokyo', 28459)    else:        r = pwn.process('./server.py')
    flag = 0
    r.sendline(hex(0))    ini = int(r.readline().strip(), 16)    for n in range(p.bit_length()):        r.sendline(hex(1 << n))        c = int(r.readline().strip(), 16)        if ini == (c * pow(g, 1 << n, p)) % p:            flag += (1 << n)        prev = c        print(n)
    print(flag)    print(long_to_bytes(flag))```