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:
Sexual maturity occurs at ____ to four years for females and four to five years for males.

Ex Output:
three


Ex Input:
Adult clothing is worth about ____ percent of retail and children's clothing a little more.

Ex Output:
ten


Ex Input:
Lung cancer accounts for more new cases and deaths than do the next ____ leading cancers combined.

Ex Output:

three