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:
Marshes are shallow wetlands less than ____ meters deep.

Ex Output:
two


Ex Input:
Lunar eclipses occur every ____ months, on average.

Ex Output:
six


Ex Input:
Basting is the stitching used to hold the ____ layers of fabric together while quilting.

Ex Output:

three