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: Humans have two lungs, each fed by ____ bronchus.

Output: one


Input: Consider Input: Babies can be exclusively breast-fed for their first ____ months of life.

Output: six


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


Output: one