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 picture of a baseball game taken from behind home plate'. Count the number of consonants in the given sentence.

Ex Output:
27


Ex Input:
Sentence: 'an old train next to some empty train tracks'. Count the number of vowels in the given sentence.

Ex Output:
12


Ex Input:
Sentence: 'a pitcher throwing a ball during a baseball game'. Count the number of vowels in the given sentence.

Ex Output:

15