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:
Collages can have two or ____ layers.

Ex Output:
three


Ex Input:
Edges Usually refers to the ____ outside edges of the pages of a book.

Ex Output:
three


Ex Input:
Some orchid flowers bloom for ____ week to up to four months depending on the species.

Ex Output:

one