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: Marsupials have ____ vaginas and a double uterus.

Output: two


Input: Consider Input: Hawks have ____ toes pointing forward and one pointing backwards.

Output: three


Input: Consider Input: Snakes shed from one to ____ times a year.


Output: three