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 couple of women are playing video games together'. Count the number of vowels in the given sentence.

Ex Output:
19


Ex Input:
Sentence: 'the cow is standing in the field all by himself'. Count the number of vowels in the given sentence.

Ex Output:
12


Ex Input:
Sentence: 'a group of women that are sitting in a boat'. Count the number of consonants in the given sentence.

Ex Output:

19