#!/usr/bin/env python
# coding: utf-8

import webbrowser
import os.path



text = str(raw_input('Enter - '))
if text:
    if os.path.isfile(text):
        try:
            webbrowser.open(text)
        except Exception as e:
            print e
    else:
        print 'file does not exist'
else:
        print 'Enter name file'