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 close up of a doughnut near a drink'. Count the number of consonants in the given sentence.

Ex Output:
16


Ex Input:
Sentence: 'a man on a phone in front of a tree with an animal in it'. Count the number of vowels in the given sentence.

Ex Output:

19