Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

Ex Input:
Ozone leaves ____ by-products except pure oxygen.

Ex Output:
no


Ex Input:
Women account for ____ in ten people diagnosed with the disease.

Ex Output:
eight


Ex Input:
Women generally work about ____ hours a week less than men.

Ex Output:

eight