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: 'the woman in a blue shirt is riding a horse'. Count the number of consonants in the given sentence.

Ex Output:
20


Ex Input:
Sentence: 'a snowboarder does a jump on a dark course'. Count the number of vowels in the given sentence.

Ex Output:
15


Ex Input:
Sentence: 'elephants outside in grassy field in front of trees and hill'. Count the number of vowels in the given sentence.

Ex Output:

18