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 group of kids pose in front of a pizza'. Count the number of vowels in the given sentence.

Ex Output:
13


Ex Input:
Sentence: 'a boy swinging at a tennis ball with a racquet'. Count the number of vowels in the given sentence.

Ex Output:
14


Ex Input:
Sentence: 'two men standing in front of a refrigerator talking'. Count the number of vowels in the given sentence.

Ex Output:

15