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: 'there are three different lights that show if u can walk'. Count the number of vowels in the given sentence.

Output: 16


Input: Consider Input: Sentence: 'a big building with a clock built into the top'. Count the number of vowels in the given sentence.

Output: 14


Input: Consider Input: Sentence: 'cars driving down the road on a cloudy day'. Count the number of vowels in the given sentence.


Output: 12