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 group of people are gathered around a running fire hydrant'. Count the number of consonants in the given sentence.

Ex Output:
29


Ex Input:
Sentence: 'a man wearing a white tie with black squares on it'. Count the number of consonants in the given sentence.

Ex Output:
23


Ex Input:
Sentence: 'a giraffe leaning up to a tree to chew on a branch'. Count the number of vowels in the given sentence.

Ex Output:

17