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 is a man standing on the train'. Count the number of consonants in the given sentence.

Output: 18


Input: Consider Input: Sentence: 'a couple of giraffes are standing in a grassy field'. Count the number of consonants in the given sentence.

Output: 25


Input: Consider Input: Sentence: 'a vase with a dozen tie-dye flowers in it'. Count the number of vowels in the given sentence.


Output: 14