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:
Plants produce seed at ____ years of age.

Ex Output:
eight


Ex Input:
Babies crawl into a pouch on the mother's belly and stay there ____ months.

Ex Output:
four


Ex Input:
Bloody diarrhea lasts for ____ to five days.

Ex Output:

two