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:
Body temperature attains ambient levels within four to ____ hours.

Ex Output:
six


Ex Input:
Women are ____ times more likely to have bone thinning than men.

Ex Output:
four


Ex Input:
Male perch reach sexual maturity at about ____ years of age, females at four.

Ex Output:

three