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:
Light chains exist in ____ classes, lambda and kappa.

Ex Output:
two


Ex Input:
Osteoporosis affects one in three women and one in ____ men.

Ex Output:
ten


Ex Input:
Colds tend to last ____ to ten days, while allergies can go on for weeks.

Ex Output:

seven