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.

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

Example Input: All orioles have long bills and are about seven to ____ inches long.
Example Output: eight

Example Input: Rabies is present in Austria, although there have been ____ incidents reported in recent years.
Example Output:
no