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 boy stares at a pizza with a birthday candle in it'. Count the number of vowels in the given sentence.

Ex Output:
16


Ex Input:
Sentence: 'a kite flying in the sky above a tree'. Count the number of consonants in the given sentence.

Ex Output:
17


Ex Input:
Sentence: 'a train station stands majestically and functionally while passengers wait for their train'. Count the number of vowels in the given sentence.

Ex Output:

28