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:
Banks hold ____ excess reserves and the public holds no currency.

Ex Output:
no


Ex Input:
Some bird feeders have ____ perches at all, but neither do tree trunks.

Ex Output:
no


Ex Input:
Genetic drift occurs under ____ special conditions.

Ex Output:

two