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: '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: 'red tow truck with tilted lift next to busy roadway'. Count the number of vowels in the given sentence.

Output: 13


Input: Consider Input: Sentence: 'a bathroom with a white toilet sitting next to a sink under a mirror'. Count the number of vowels in the given sentence.


Output: 22