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:
Seedlings normally can take up to ____ to five years to produce their first bloom.

Ex Output:
three


Ex Input:
Spiders have eight jointed legs and ____ body parts.

Ex Output:
two


Ex Input:
Nymphs pass through four to ____ moults before reaching adulthood.

Ex Output:

five