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:
Many people have ____ symptoms until they suffer chest pains or a heart attack.

Ex Output:
no


Ex Input:
Alligator gars have ____ rows of teeth.

Ex Output:
two


Ex Input:
Sockeye generally spend ____ years at sea.

Ex Output:

two