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: 'this is a group of boys with their boards'. Count the number of vowels in the given sentence.

Output: 12


Input: Consider Input: Sentence: 'a black and white styled bathroom and shower'. Count the number of vowels in the given sentence.

Output: 12


Input: Consider Input: Sentence: 'little girl reaching through fence to pet a giraffe'. Count the number of vowels in the given sentence.


Output: 16