In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

Input: Consider Input: Reds can benefit from seven to _ years' aging .

Output: nine


Input: Consider Input: Adult muskrats average one foot in length and _ pounds in weight.

Output: three


Input: Consider Input: Land iguanas reach maturity between _ and fifteen years of age, depending on their size.


Output: eight