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:
Hares hold their young ____ to ten days longer.

Ex Output:
seven


Ex Input:
Finches breed when the female is over one year old and the male is under ____ year old.

Ex Output:
five


Ex Input:
Sieve elements have ____ nucleus and only a sparse collection of other organelles.

Ex Output:

no