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 person riding a motorcycle on sandy hills'. Count the number of consonants in the given sentence.

Ex Output:
24


Ex Input:
Sentence: 'a woman tossing a frisbee on a sandy beach'. Count the number of consonants in the given sentence.

Ex Output:
20


Ex Input:
Sentence: 'an image of a clock that is next to a group of books'. Count the number of consonants in the given sentence.

Ex Output:

23