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:
Irrigated land is almost ____ times as productive as rainfed cropland.

Ex Output:
three


Ex Input:
Ordinary plants have about ____ times as many connections with their environment as animals.

Ex Output:

ten