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 couple of vases that are on top of a table'. Count the number of vowels in the given sentence.

Ex Output:
16


Ex Input:
Sentence: 'a man on a skateboard using it to ride a rail'. Count the number of vowels in the given sentence.

Ex Output:
17


Ex Input:
Sentence: 'a bunch of skiers are in front of a building while a lady is making a hand gesture'. Count the number of vowels in the given sentence.

Ex Output:

26