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: 'two giraffe standing next to each other in a habitat at a zoo'. Count the number of vowels in the given sentence.

Ex Output:
21


Ex Input:
Sentence: 'two zebras that are standing in the grass'. Count the number of vowels in the given sentence.

Ex Output:
11


Ex Input:
Sentence: 'snowing on a city street with hydrant covered in snow'. Count the number of consonants in the given sentence.

Ex Output:

30