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: Industrial halocarbons are effective ozone-depleters for ____ reasons.

Output: two


Input: Consider Input: Unemployment Identify the ____ types of unemployment.

Output: four


Input: Consider Input: Most dogs can resume normal activity seven to ____ days after surgery.


Output: ten