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:
Babies can be exclusively breast-fed for their first ____ months of life.

Ex Output:
six


Ex Input:
Account is a ____ character code that describes the basic accounting classifications.

Ex Output:
six


Ex Input:
Tobacco causes ____ per cent of all deaths in the world and the toll is increasing rapidly.

Ex Output:

six