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: Phylogenetic analyses confirm ____ mitochondrial mallard clades.

Output: two


Input: Consider Input: Most children recover completely in ____ to three months.

Output: two


Input: Consider Input: Some individuals remain with their parents for as long as ____ months after fledging.


Output: six