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 mirror is on a pole by a light'. Count the number of vowels in the given sentence.

Ex Output:
10


Ex Input:
Sentence: 'a white pizza with cheese and mushrooms and garnish'. Count the number of vowels in the given sentence.

Ex Output:
16


Ex Input:
Sentence: 'two green birds sit in a tree with other branches in the background'. Count the number of vowels in the given sentence.

Ex Output:

19