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: Scientists think that macaws mate for life, producing one to ____ young each year.

Output: three


Input: Consider Input: Most children recover completely in ____ to three months.

Output: two


Input: Consider Input: Lice pass through a three-stage life cycle, including ____ stages as immature nymphs.


Output: three