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.

Ex Input:
Sentence: 'a bathroom mirror with a reflection of a door and sink in front of it'. Count the number of vowels in the given sentence.

Ex Output:
22


Ex Input:
Sentence: 'a boy swinging his bat towards a baseball'. Count the number of vowels in the given sentence.

Ex Output:
12


Ex Input:
Sentence: 'a train winds its way down a mountain track'. Count the number of vowels in the given sentence.

Ex Output:

13