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: Scorpions have ____ legs.

Output: eight


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

Output: three


Input: Consider Input: Animals develop either two or ____ embryonic germs layers .


Output: three