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 is serving pizza to a customer'. Count the number of consonants in the given sentence.

Ex Output:
17


Ex Input:
Sentence: 'asian fisherman standing up paddling boat with oar'. Count the number of vowels in the given sentence.

Ex Output:
16


Ex Input:
Sentence: 'two small owls huddled together in an enclosure'. Count the number of vowels in the given sentence.

Ex Output:

14