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 rests its paw by the base of the wii paddle'. Count the number of vowels in the given sentence.

Ex Output:
14


Ex Input:
Sentence: 'a young man with a snowboard while a crowd looks on'. Count the number of consonants in the given sentence.

Ex Output:
25


Ex Input:
Sentence: 'two brown bears are standing on the rocks'. Count the number of vowels in the given sentence.

Ex Output:

11