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: Biennials require portions of ____ growing seasons to reproduce.

Output: two


Input: Consider Input: Most lemmings are ____ to six inches in length and weigh less than four ounces.

Output: three


Input: Consider Input: Most children get about ____ to ten colds per year.


Output: six