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.

Input: Consider Input: Human feet bear average ____ to six hundreds tons of weight everyday.

Output: five


Input: Consider Input: Infected rodents carry and secrete the virus for about ____ days.

Output: seven


Input: Consider Input: Sexual reproduction involves ____ individual organisms.


Output: two