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: Wood consists of ____ distinct fuels.

Output: two


Input: Consider Input: Cells contain ____ families of small organic molecules.

Output: four


Input: Consider Input: Most cats have five toes in the forepaws and ____ in the hind paws.


Output: four