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 kids pose in front of a pizza'. Count the number of vowels in the given sentence.

Ex Output:
13


Ex Input:
Sentence: 'a man riding a ramp on a skateboard at a park'. Count the number of consonants in the given sentence.

Ex Output:
20


Ex Input:
Sentence: 'two giraffes are outside of their housing unit'. Count the number of consonants in the given sentence.

Ex Output:

21