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: 'birds are in the water and sticking their heads in'. Count the number of consonants in the given sentence.

Ex Output:
26


Ex Input:
Sentence: 'a guy in a white shirt, jeans, and a baseball hat flipping on a skate board'. Count the number of vowels in the given sentence.

Ex Output:
23


Ex Input:
Sentence: 'two giraffes eat from a pot attached to a fence'. Count the number of vowels in the given sentence.

Ex Output:

16