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:
Presidential elections take place every ____ years.

Ex Output:
four


Ex Input:
Many infected dogs exhibit ____ symptoms until the disease is in an advanced state.

Ex Output:
no


Ex Input:
Local government is administered by ____ district councils and five town councils.

Ex Output:

nine