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: Erosion is divided into ____ main categories, water and wind.

Output: two


Input: Consider Input: Elephants have five toes on the fore feet and ____ on the hind feet.

Output: four


Input: Consider Input: Maine is the largest of the ____ New England states.


Output: six