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 group of snowboarders in short sleeves on the slopes'. Count the number of consonants in the given sentence.

Ex Output:
28


Ex Input:
Sentence: 'the woman is happy to be standing in the kitchen'. Count the number of vowels in the given sentence.

Ex Output:
13


Ex Input:
Sentence: 'a couple on skis stand next to a sign with directions'. Count the number of consonants in the given sentence.

Ex Output:

27