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 pole with a two street signs and a stop sign mounted to a pole'. Count the number of consonants in the given sentence.

Output: 30


Input: Consider Input: Sentence: 'a group of people sitting at a table writing on papers'. Count the number of consonants in the given sentence.

Output: 26


Input: Consider Input: Sentence: 'a young boy stands on a surf board inside of a pool'. Count the number of vowels in the given sentence.


Output: 17