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 tourist attraction of a clock tower with a flag flying'. Count the number of vowels in the given sentence.

Output: 17


Input: Consider Input: Sentence: 'men are watching an outdoor baseball game behind the batter's cage'. Count the number of vowels in the given sentence.

Output: 22


Input: Consider Input: Sentence: 'the back of a horse loaded with metal cans'. Count the number of consonants in the given sentence.


Output: 21