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: 'street signs at an intersection on a day without clouds in the sky'. Count the number of consonants in the given sentence.

Output: 34


Input: Consider Input: Sentence: 'giraffe eating leaves off of a tree in tall grass'. Count the number of vowels in the given sentence.

Output: 17


Input: Consider Input: Sentence: 'a single surfer rides a nice 6 footer with lots of foam'. Count the number of vowels in the given sentence.


Output: 18