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: Viceroys produce ____ generations per year, and the food habits of each generation differs.

Output: three


Input: Consider Input: Elephants also have four molars, ____ on the top and one on the bottom on both sides of the mouth.

Output: one


Input: Consider Input: Plants can spread to ____ feet across when mature.


Output: four