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 woman throws up the tennis ball to serve'. Count the number of vowels in the given sentence.

Ex Output:
12


Ex Input:
Sentence: 'a wooden table topped with sushi and a candle lit broccoli forest'. Count the number of vowels in the given sentence.

Ex Output:
21


Ex Input:
Sentence: 'a skateboarder on the edge of a skating rink'. Count the number of vowels in the given sentence.

Ex Output:

15