#!/usr/bin/env python
from nanotechsoftware.base import *
from nanotechsoftware.chemistry import *
from nanotechsoftware.chemistry.framework import *
from nanotechsoftware.chemistry.core import *
from nanotechsoftware.chemistry.io import *

from itertools import *

import os



print "Number of Bonds = ", sum(
    imap(bool, CompositeIteratorFactory.create(Atom,
                   fromSmiles("c1ccccc1"))))