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 photo of a car parked on the beach with a flag flying'. Count the number of vowels in the given sentence.

Ex Output:
17


Ex Input:
Sentence: 'a man playing a guitar and other musical instruments'. Count the number of vowels in the given sentence.

Ex Output:
17


Ex Input:
Sentence: 'a small bathroom seen through an open door showing pedestal sink and a rust-stained toilet'. Count the number of vowels in the given sentence.

Ex Output:

29