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:
Spiritual slavery comes in ____ forms.

Ex Output:
two


Ex Input:
Pertussis is highly contagious with symptoms that can linger ____ to ten weeks.

Ex Output:
six


Ex Input:
Tricolour mouse is to have ____ contrasting patches of colour on the back and sides.

Ex Output:

three