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: Mature plants can be up to ____ feet tall.

Output: six


Input: Consider Input: Ostriches come in at least ____ breeds.

Output: two


Input: Consider Input: Most states require car seats for children under ____ years old.


Output: four