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: Scientists divide the mosses into ____ groups .

Output: eight


Input: Consider Input: Autism affects ____ times as many males as it does females.

Output: three


Input: Consider Input: Natural ytterbium is a mixture of ____ stable isotopes, with seven other unstable isotopes known.


Output: seven