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 are walking up a muddy hill next to a parked minivan'. Count the number of vowels in the given sentence.

Output: 21


Input: Consider Input: Sentence: 'a young boy in stripped shirt holding bottle'. Count the number of vowels in the given sentence.

Output: 12


Input: Consider Input: Sentence: 'man installing an os while giving the "devil horn"'. Count the number of vowels in the given sentence.


Output: 14