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 sheep with a donkey walking in a parking lot'. Count the number of vowels in the given sentence.

Ex Output:
17


Ex Input:
Sentence: 'a man riding on the back of a horse'. Count the number of vowels in the given sentence.

Ex Output:
11


Ex Input:
Sentence: 'a brightly decorated room with a large mirror behind a long couch'. Count the number of vowels in the given sentence.

Ex Output:

20