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: Many biologists believe the sandhill has been virtually unchanged for ____ million years.

Output: nine


Input: Consider Input: Power is derived from ____ sources, money and people.

Output: two


Input: Consider Input: Most countries impose ____ restrictions on the use of encryption by their citizens.


Output: no