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 buses side by side while entering an intersection'. Count the number of vowels in the given sentence.

Ex Output:
18


Ex Input:
Sentence: 'a baby sitting on a bed beside a large and small stuffed bear'. Count the number of vowels in the given sentence.

Ex Output:
19


Ex Input:
Sentence: 'a tennis player hitting a ball at the tennis court'. Count the number of vowels in the given sentence.

Ex Output:

15