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.

Example Input: Most people stay three or four years, sometimes five or ____ years.
Example Output: six

Example Input: Carnivals travel for as much as ____ months out of the year.
Example Output: seven

Example Input: Bowling balls range in weight from ____ to sixteen pounds.
Example Output:
six