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 clock stands on the curb of a busy street'. Count the number of vowels in the given sentence.

Output: 11


Input: Consider Input: Sentence: 'an orange and white cat lays on tan carpet with his nose on a black cell phone'. Count the number of consonants in the given sentence.

Output: 39


Input: Consider Input: Sentence: 'an old lady sitting in front of elephant eating sugarcane'. Count the number of vowels in the given sentence.


Output: 18