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:
Brook stickleback have prominent mouths, large eyes and ____ to six spines on their backs.

Ex Output:
four


Ex Input:
Penile cancer occurs almost exclusively in the uncircumcised male at a rate of ____ per million.

Ex Output:
eight


Ex Input:
Breast cancer is the most common cancer among women, accounting for one in ____ cancers diagnosed.

Ex Output:

three