##Author: ATC
##Please score this on activestate
import string, random
print "How many characters would you like the password to have?"
print "Must be nine or more"
length = input ()
password_len = length
password = []
for group in (string.ascii_letters, string.punctuation, string.digits):
password += random.sample(group, 3)
password += random.sample(
string.ascii_letters + string.punctuation + string.digits,
password_len - len(password))
random.shuffle(password)
password = ''.join(password)
print password