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: 'this picture shows a busy city crosswalk scene'. Count the number of consonants in the given sentence.

Ex Output:
27


Ex Input:
Sentence: 'girl with braids reading next to a cat laying on a bed'. Count the number of vowels in the given sentence.

Ex Output:
16


Ex Input:
Sentence: 'a palm tree sitting next to a  street sign in the desert'. Count the number of vowels in the given sentence.

Ex Output:

16