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:
Women have about ____ times as many foot problems as men.

Ex Output:
four


Ex Input:
Elephants also have four molars, ____ on the top and one on the bottom on both sides of the mouth.

Ex Output:
one


Ex Input:
Insomnia is defined as trouble falling asleep or staying asleep and affects one in ____ adults.

Ex Output:

three