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 and a woman with smiles behind tennis racquets'. Count the number of vowels in the given sentence.

Output: 16


Input: Consider Input: Sentence: 'people enjoying the slopes at a ski resort on a sunny day'. Count the number of vowels in the given sentence.

Output: 18


Input: Consider Input: Sentence: 'a woman holding her child being rowed down a river on a raft made of sticks'. Count the number of vowels in the given sentence.


Output: 22