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: 'several passengers waiting at the airport outside for luggage'. Count the number of consonants in the given sentence.

Ex Output:
31


Ex Input:
Sentence: 'several carrots on a cutting board with a knife on top'. Count the number of consonants in the given sentence.

Ex Output:
27


Ex Input:
Sentence: 'someone using a trash can as a seat for a desk'. Count the number of vowels in the given sentence.

Ex Output:

16