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: Narwhals have ____ teeth in their upper jaw.

Output: two


Input: Consider Input: Coyotes can often live six to ____ years in the wild.

Output: eight


Input: Consider Input: Tigers can see in the dark ____ times better than humans can.


Output: six