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 crew of people looking at an airplane'. Count the number of vowels in the given sentence.

Ex Output:
15


Ex Input:
Sentence: 'two balls of yard and needles on a table'. Count the number of vowels in the given sentence.

Ex Output:
12


Ex Input:
Sentence: 'spectators and uniformed players at a baseball game'. Count the number of vowels in the given sentence.

Ex Output:

17