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:
Monatomic elements have with ____ atoms in each per molecule.

Ex Output:
three


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

Ex Output:
no


Ex Input:
Abdominal pain is usually severe and is typically present for more than ____ days.

Ex Output:

seven