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 brown dog greeting a lamb on a green field'. Count the number of vowels in the given sentence.

Ex Output:
14


Ex Input:
Sentence: 'a man with a bat on a baseball field'. Count the number of consonants in the given sentence.

Ex Output:
16


Ex Input:
Sentence: 'a small plane is parked near a couple of people'. Count the number of vowels in the given sentence.

Ex Output:

17