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:
Casinos have ____ windows and they have no clocks.

Ex Output:
no


Ex Input:
Zygospores result from the fusion of ____ similar hyphal elements.

Ex Output:
two


Ex Input:
Sheep can be carriers for up to ____ weeks after recovering from the infection.

Ex Output:

nine