RSA

from numbthy import *

file = 'flag.enc'
f = open(file, 'r').read()
c = int(f.encode('hex'), 16)


n =
p =
q =

fi = (p-1)*(q-1)
d = invmod(e,fi)
m = powmod(c,d,n)
print hex(m)[2:-1].decode('hex')