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 neon sign on the wall for a hamburger restaurant'. Count the number of consonants in the given sentence.

Output: 25


Input: Consider Input: Sentence: 'a close up of a street sign with people walking near by'. Count the number of consonants in the given sentence.

Output: 27


Input: Consider Input: Sentence: 'a person is using a laptop with a cat on his lap'. Count the number of vowels in the given sentence.


Output: 15