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:
Cosmetics come in ____ types greasy and non-greasy.

Ex Output:
two


Ex Input:
Most organ systems are operational in the fetus by ____ to six months.

Ex Output:
four


Ex Input:
Young bandicoots become independent at about four months and are sexual mature at about ____ months.

Ex Output:

five