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 herd of sheep walking across a green field'. Count the number of consonants in the given sentence.

Output: 22


Input: Consider Input: Sentence: 'a group of sheep with a donkey walking in a parking lot'. Count the number of vowels in the given sentence.

Output: 17


Input: Consider Input: Sentence: 'a beautiful young woman holding a tennis racquet on a tennis court'. Count the number of vowels in the given sentence.


Output: 24