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: Lancelets display all ____ of the vertebrate characteristics throughout their lives.

Output: four


Input: Consider Input: Primates have ____ digits on their forelimbs.

Output: five


Input: Consider Input: Tuataras reproduce very slowly, sometimes taking ____ years to reach sexual maturity.


Output: ten