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: Gloves have ____ ridges or crevices in which the bacteria can hide.

Output: no


Input: Consider Input: International mail consists of ____ categories of mail.

Output: three


Input: Consider Input: Molecules are ____ or more atoms stuck together.


Output: two