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:
Pertussis is highly contagious with symptoms that can linger six to ____ weeks.

Ex Output:
ten


Ex Input:
Marital rape is defined in ____ ways.

Ex Output:
two


Ex Input:
Osteoporosis is a very common disorder affecting ____ million people.

Ex Output:

seven