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: 'several horse riders are along the ocean shore'. Count the number of consonants in the given sentence.

Ex Output:
22


Ex Input:
Sentence: 'a white toilet in a bathroom with white walls'. Count the number of consonants in the given sentence.

Ex Output:
22


Ex Input:
Sentence: 'a young man jumping into the air in an attempt to hit a tennis ball'. Count the number of vowels in the given sentence.

Ex Output:

21