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 cat is sitting on a chair with its head turned to the side'. Count the number of consonants in the given sentence.

Ex Output:
28


Ex Input:
Sentence: 'a photo of a train on a bridge above a river'. Count the number of vowels in the given sentence.

Ex Output:
17


Ex Input:
Sentence: 'a man catches a wave on his surfboard and holds his arms up to balance'. Count the number of vowels in the given sentence.

Ex Output:

21