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 small room with a fireplace, desk and bed'. Count the number of consonants in the given sentence.

Ex Output:
21


Ex Input:
Sentence: 'a man with a hat and glasses on in the midst of talking'. Count the number of vowels in the given sentence.

Ex Output:
15


Ex Input:
Sentence: 'a group of children at a table celebrating birthdays'. Count the number of vowels in the given sentence.

Ex Output:

16