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:
Zygospores result from the fusion of ____ similar hyphal elements.

Ex Output:
two


Ex Input:
Monatomic elements have with ____ atoms in each per molecule.

Ex Output:

three