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: 'toy animal wearing a yellow jersey tangled in electrical cord with watermark name "shehan peruma"'. Count the number of vowels in the given sentence.

Ex Output:
31


Ex Input:
Sentence: 'a boy biting into a hot dog with onion rings on a bun'. Count the number of vowels in the given sentence.

Ex Output:

17