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: Tetrads come in ____ shapes.

Output: seven


Input: Consider Input: Maps have ____ or more bar scales, each in a different unit of measure.

Output: three


Input: Consider Input: Autism occurs in about four to five of every ____ thousand births.


Output: ten