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 woman walking past a fence with animals on it'. Count the number of vowels in the given sentence.

Output: 15


Input: Consider Input: Sentence: 'two traffic signs are pictured in front of a sky background'. Count the number of vowels in the given sentence.

Output: 16


Input: Consider Input: Sentence: 'a couple posing for a picture near a staircase on a boat'. Count the number of vowels in the given sentence.


Output: 22