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: 'a model plane is flying through a cloudy sky'. Count the number of consonants in the given sentence.

Output: 24


Input: Consider Input: Sentence: 'a herd of sheep are walking up a muddy hill next to a parked minivan'. Count the number of vowels in the given sentence.

Output: 21


Input: Consider Input: Sentence: 'two similar photos of a female tennis player returning a volley'. Count the number of vowels in the given sentence.


Output: 21