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:
Cellulose contains nothing that is considered hazardous, and carries ____ hazardous warning messages.

Ex Output:
no


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

Ex Output:
three


Ex Input:
Uterine cancer ranks number ____ on the list of most common cancers to strike women.

Ex Output:

four