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 street sign on the edge of a street'. Count the number of vowels in the given sentence.

Output: 12


Input: Consider Input: Sentence: 'three video games sitting along side a refrigerator'. Count the number of consonants in the given sentence.

Output: 25


Input: Consider Input: Sentence: 'a large airplane in taxi at an airport'. Count the number of vowels in the given sentence.


Output: 15