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 riding on the back of a horse'. Count the number of vowels in the given sentence.

Ex Output:
11


Ex Input:
Sentence: 'an older photograph of two men shaking hands near an airplane'. Count the number of vowels in the given sentence.

Ex Output:
19


Ex Input:
Sentence: 'a woman stretches over and touches the ground'. Count the number of consonants in the given sentence.

Ex Output:

24