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 man talking on a phone while standing in front of a toilet'. Count the number of vowels in the given sentence.

Ex Output:
19


Ex Input:
Sentence: 'pedestrians pass by a stop sign, some holding surfboards'. Count the number of vowels in the given sentence.

Ex Output:
15


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

Ex Output:

50