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 giraffe runs across a plain with nothing else in sight'. Count the number of consonants in the given sentence.

Ex Output:
29


Ex Input:
Sentence: 'several double-decker buses parked in an indoor lot'. Count the number of consonants in the given sentence.

Ex Output:
25


Ex Input:
Sentence: 'a group of men standing on a road, with 2 little boys in front of them; one boy is pointing at something'. Count the number of vowels in the given sentence.

Ex Output:

30