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.

Input: Consider Input: Sexual maturity is reached at ____ years, and females calve every other year.

Output: four


Input: Consider Input: Seraphs have ____ wings, and their voices can shake doorposts and thresholds.

Output: six


Input: Consider Input: Male crickets have ____ extrusions.


Output: two