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: Carnivals travel for as much as ____ months out of the year.

Output: seven


Input: Consider Input: Cricket usually lays about five eggs, one every other day for ____ days.

Output: ten


Input: Consider Input: Comparative advantage is the ability to perform an activity at a ____ opportunity cost.


Output: zero