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 cat that is half in a toilet'. Count the number of vowels in the given sentence.

Ex Output:
10


Ex Input:
Sentence: 'an older woman sits on a large motorcycle'. Count the number of vowels in the given sentence.

Ex Output:
13


Ex Input:
Sentence: 'a train going down the tracks near a large city'. Count the number of vowels in the given sentence.

Ex Output:

14