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 street sign and a traffic light in front of a building'. Count the number of consonants in the given sentence.

Ex Output:
29


Ex Input:
Sentence: 'a cat rests its paw by the base of the wii paddle'. Count the number of vowels in the given sentence.

Ex Output:
14


Ex Input:
Sentence: 'a silver and yellow fire hydrant sitting next to a sidewalk'. Count the number of vowels in the given sentence.

Ex Output:

17