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.

Ex Input:
Human gestation is divided into three trimesters of ____ months each.

Ex Output:
three


Ex Input:
Body language is used when ____ words can express what the person is trying to communicate.

Ex Output:
no


Ex Input:
Women tend to develop the disease about ____ years after menopause.

Ex Output:

ten