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:
Most people stay three or four years, sometimes five or ____ years.

Ex Output:
six


Ex Input:
Anapsids have ____ openings in the temporal region of their skull.

Ex Output:
no


Ex Input:
Shield volcanoes are the widest of the ____ landforms in the activity.

Ex Output:

three