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: 'three black cows standing next to each other on a field'. Count the number of vowels in the given sentence.

Ex Output:
16


Ex Input:
Sentence: 'a girl laying on a yellow surfboard and riding over a wave'. Count the number of consonants in the given sentence.

Ex Output:
28


Ex Input:
Sentence: 'a man in a gray jacket and a table of oranges'. Count the number of vowels in the given sentence.

Ex Output:

15