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 toddler boy holding a frisbee on the beach'. Count the number of vowels in the given sentence.

Ex Output:
14


Ex Input:
Sentence: 'a street sign on the edge of a street'. Count the number of vowels in the given sentence.

Ex Output:
12


Ex Input:
Sentence: 'cat relaxing on blanked, appears to be stretching'. Count the number of vowels in the given sentence.

Ex Output:

14