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 person is in the snow on a board'. Count the number of consonants in the given sentence.

Ex Output:
15


Ex Input:
Sentence: 'a well-organized game of frisbee is taking place'. Count the number of consonants in the given sentence.

Ex Output:
23


Ex Input:
Sentence: 'a man skiing down the side of a snow covered slope'. Count the number of vowels in the given sentence.

Ex Output:

16