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: 'cars are waiting for a train to pass in a city intersection'. Count the number of consonants in the given sentence.

Ex Output:
28


Ex Input:
Sentence: 'two unique city buses stopped at a stop sign'. Count the number of vowels in the given sentence.

Ex Output:

14