In this task, you need to count the number of vowels (letters 'a', 'e', 'i', 'o', 'u') / consonants (all letters other than vowels) in the given sentence.

Input: Consider Input: Sentence: 'an old train next to some empty train tracks'. Count the number of vowels in the given sentence.

Output: 12


Input: Consider Input: Sentence: 'a woman holding a roasting pan filled with a turkey in an open oven'. Count the number of vowels in the given sentence.

Output: 22


Input: Consider Input: Sentence: 'a textured vase laying on the ground on its side'. Count the number of vowels in the given sentence.


Output: 16