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: Aboriginal society is divided into ____ complementary branches.

Output: two


Input: Consider Input: All birds have ____ legs with four toes each.

Output: two


Input: Consider Input: Anoles are ____ strangers to urban environments.


Output: no