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: 'an image of a clock that is next to a group of books'. Count the number of consonants in the given sentence.

Output: 23


Input: Consider Input: Sentence: 'a man in a uniform is cutting a cake'. Count the number of consonants in the given sentence.

Output: 15


Input: Consider Input: Sentence: 'a crowd of people standing and sitting around in an airport terminal'. Count the number of vowels in the given sentence.


Output: 22