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 bench made out of some log pieces sitting on some grass'. Count the number of vowels in the given sentence.

Ex Output:
19


Ex Input:
Sentence: 'a clock sitting in the middle of a road'. Count the number of consonants in the given sentence.

Ex Output:
19


Ex Input:
Sentence: 'boys are gathered around an open red fire hydrant'. Count the number of vowels in the given sentence.

Ex Output:

16