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.

Input: Consider Input: Sentence: 'a policeman on a horse is by a coke truck'. Count the number of vowels in the given sentence.

Output: 14


Input: Consider Input: Sentence: 'a group of men are watching two men shake hands over a table decorated with american and chinese flags'. Count the number of consonants in the given sentence.

Output: 51


Input: Consider Input: Sentence: 'a person is standing with one foot on a skateboard'. Count the number of vowels in the given sentence.


Output: 17