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: Birds have ____ beak, two wings, and two feet.

Output: one


Input: Consider Input: Penguins have ____ seasons in their year, as follows.

Output: four


Input: Consider Input: Mosquitoes live ____ to eight weeks.


Output: four