#!/usr/bin/env python
# -*- coding: UTF-8 -*-

import sys, imaplib

port = 993
server = 'imap.yandex.ru'

username = 'user@home.com'
passwd = ''

imap_server = imaplib.IMAP4_SSL(server, port)
try:
    imap_server.login(username, passwd)
except:
    print('?? new')
    sys.exit( 1 )

typ, data = imap_server.select ('Inbox', True)
if typ == 'OK':
    total = int(data[0])
    typ, data = imap_server.search (None, 'SEEN')
    if typ == 'OK':
        seen = len(data[0].split())
        print('{} new'.format(total - seen))

if typ != 'OK':
    print('?? new')

imap_server.logout()
