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:
Every human being carries six to ____ abnormal recessive genes.

Ex Output:
eight


Ex Input:
Most psychologists agree that the big ____ personality traits are stable across the life-span.

Ex Output:
five


Ex Input:
Carnivals travel for as much as ____ months out of the year.

Ex Output:

seven