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: Carbon is able to bond with up to ____ other elements.

Output: four


Input: Consider Input: Hamsters can live to be ____ to four years old.

Output: three


Input: Consider Input: Mosses have ____ phases in their life cycle.


Output: two