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:
Pinks live only ____ years.

Ex Output:
two


Ex Input:
Herbs require at least ____ hours of sunlight.

Ex Output:
six


Ex Input:
Most people require roughly seven to ____ hours of sleep a night to stay alert through the day.

Ex Output:

eight