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 couple of computers are on top of a desk'. Count the number of consonants in the given sentence.

Ex Output:
18


Ex Input:
Sentence: 'a bird pecks its way through some vegetation'. Count the number of consonants in the given sentence.

Ex Output:
23


Ex Input:
Sentence: 'a lady stands at the beach holding a kite'. Count the number of consonants in the given sentence.

Ex Output:

21