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

Ex Output:
22


Ex Input:
Sentence: 'a modern kitchen has an abundance of counter space'. Count the number of vowels in the given sentence.

Ex Output:
17


Ex Input:
Sentence: 'the people are flying kites outside by the steps'. Count the number of consonants in the given sentence.

Ex Output:

25