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:
Men are ____ times more likely than women to drive after drinking.

Ex Output:
four


Ex Input:
Most litters contain two to ____ kittens.

Ex Output:
four


Ex Input:
Copper has ____ naturally occurring isotopes.

Ex Output:

two