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 skateboarder skating down a steep hill marked with cones'. Count the number of consonants in the given sentence.

Ex Output:
31


Ex Input:
Sentence: 'a trash type truck say bardon on the side in the city'. Count the number of vowels in the given sentence.

Ex Output:
14


Ex Input:
Sentence: 'a man sitting in front of a computer desk'. Count the number of vowels in the given sentence.

Ex Output:

12