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: ATMs are expensive machines with an average useful life of ____ to fifteen years.

Output: ten


Input: Consider Input: Rabbits have a total of ____ teeth rather than four, as is characteristic of rodents.

Output: six


Input: Consider Input: Eagles are typically ____ to thirteen pounds.


Output: eight