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 wooden floor a laptop a cup a black couch and a person'. Count the number of consonants in the given sentence.

Ex Output:
25


Ex Input:
Sentence: 'a cow crosses a stream while sun rays shine down on the water'. Count the number of vowels in the given sentence.

Ex Output:
18


Ex Input:
Sentence: 'i think this is a photo of two birds in flight'. Count the number of vowels in the given sentence.

Ex Output:

12


