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: 'sandwiches and sides are arranged on a table'. Count the number of vowels in the given sentence.

Ex Output:
15


Ex Input:
Sentence: 'groups of people in a field sitting down, standing and walking, with tent areas in the background'. Count the number of vowels in the given sentence.

Ex Output:
28


Ex Input:
Sentence: 'the bus is about ready to stop at the bus stop'. Count the number of consonants in the given sentence.

Ex Output:

22