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 dog is laying on a blanket and relaxing'. Count the number of consonants in the given sentence.

Ex Output:
20


Ex Input:
Sentence: 'a man standing on a surf board, holding an oar'. Count the number of consonants in the given sentence.

Ex Output:
22


Ex Input:
Sentence: 'the legs of some people sitting on a low wall'. Count the number of vowels in the given sentence.

Ex Output:

14