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: 'an old design kitchen with a long counter and brown appliances'. Count the number of vowels in the given sentence.

Ex Output:
18


Ex Input:
Sentence: 'a snowboarder does a jump on a dark course'. Count the number of vowels in the given sentence.

Ex Output:
15


Ex Input:
Sentence: 'a red train is traveling undergroud on the tracks'. Count the number of vowels in the given sentence.

Ex Output:

15