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:
Cosmetics come in ____ types greasy and non-greasy.

Ex Output:
two


Ex Input:
Sapsuckers are a group of ____ species known for literally drinking the sap of trees.

Ex Output:
four


Ex Input:
Chicks add a pound to their body weight every four or ____ days.

Ex Output:

five