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: 'father and son wait on their bicycle at a traffic light'. Count the number of vowels in the given sentence.

Ex Output:
16


Ex Input:
Sentence: 'a group of sheep with a donkey walking in a parking lot'. Count the number of vowels in the given sentence.

Ex Output:
17


Ex Input:
Sentence: 'a tennis player stretching on a tennis court'. Count the number of consonants in the given sentence.

Ex Output:

24