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 giraffes are standing in a grassy field'. Count the number of consonants in the given sentence.

Ex Output:
25


Ex Input:
Sentence: 'giraffe eating leaves off of a tree in tall grass'. Count the number of vowels in the given sentence.

Ex Output:
17


Ex Input:
Sentence: 'the large double decker bus has been painted red'. Count the number of consonants in the given sentence.

Ex Output:

24