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: Many churches have ____ windows on each side of the nave, numbers some consider holy.

Output: seven


Input: Consider Input: Argentine ants are able to establish new colonies with as little as ten worker ants and ____ queen.

Output: one


Input: Consider Input: Scientists study the nervous system for ____ main reasons.


Output: two