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 group of people standing around a tv'. Count the number of vowels in the given sentence.

Ex Output:
13


Ex Input:
Sentence: 'a small olive pizza on a white plate'. Count the number of vowels in the given sentence.

Ex Output:
13


Ex Input:
Sentence: 'a slice of pizza and some potatoes'. Count the number of consonants in the given sentence.

Ex Output:

15