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:
Biennials require portions of ____ growing seasons to reproduce.

Ex Output:
two


Ex Input:
Snowboard pants do have ____ times as many pockets as ski pants though.

Ex Output:
five


Ex Input:
State law requires every dog or cat to be vaccinated at ____ months of age and annually thereafter.

Ex Output:

four