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:
Asbestos is a generic term used to describe the fibrous form of ____ different minerals.

Ex Output:
six


Ex Input:
Most ducks acquire breeding plumage in the fall, ____ or seven months before other birds.

Ex Output:
six


Ex Input:
Honey bees use ____ systems of feeding larvae.

Ex Output:

two