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:
Elephants give birth to ____ calf every four to nine years on average.

Ex Output:
one


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

Ex Output:
ten


Ex Input:
Kittens start to eat solid foods from about three weeks and are fully weaned at about ____ weeks.

Ex Output:

eight