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.

Input: Consider Input: Birds have ____ basic types of feathers.

Output: three


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

Output: eight


Input: Consider Input: Butane has ____ carbon atoms chained together.


Output: four