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 woman sitting at a table in a restaurant'. Count the number of consonants in the given sentence.

Ex Output:
19


Ex Input:
Sentence: 'many people walking with umbrellas in hand while it rains'. Count the number of vowels in the given sentence.

Ex Output:
17


Ex Input:
Sentence: 'eight swans are swimming in the calm waters'. Count the number of vowels in the given sentence.

Ex Output:

12