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: Light chains exist in ____ classes, lambda and kappa.

Output: two


Input: Consider Input: Argentine ants are able to establish new colonies with as little as ten worker ants and ____ queen.

Output: one


Input: Consider Input: Shore junipers possess needle-like leaves in whorls of ____ with white bands on the upper surface.


Output: three