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: Cichlids are popular in the aquarium hobby for a ____ reason.

Output: four


Input: Consider Input: Gloves have ____ ridges or crevices in which the bacteria can hide.

Output: no


Input: Consider Input: Porcupines grow for ____ or four years before they reach adult body size.


Output: three