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 man holding a tennis racquet on a tennis court'. Count the number of consonants in the given sentence.

Output: 23


Input: Consider Input: Sentence: 'a military grade jets flies through clear skies'. Count the number of vowels in the given sentence.

Output: 15


Input: Consider Input: Sentence: 'several small aircraft lined up in a row at an airport'. Count the number of vowels in the given sentence.


Output: 18