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:
Fruit is a silique opening by ____ valves.

Ex Output:
two


Ex Input:
Giant squid have ____ gas spaces in their bodies.

Ex Output:
no


Ex Input:
Every cell has ____ neighbour cells and belongs to a cell type.

Ex Output:

eight