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 man standing on a surf board, holding an oar'. Count the number of consonants in the given sentence.

Ex Output:
22


Ex Input:
Sentence: 'a bunch of umbrellas overlooking the ocean at a beach'. Count the number of vowels in the given sentence.

Ex Output:
19


Ex Input:
Sentence: 'the meal of meat loaf has rice and mushrooms on it'. Count the number of consonants in the given sentence.

Ex Output:

23