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: 'an open refrigerator filled with lots of food'. Count the number of consonants in the given sentence.

Output: 23


Input: Consider Input: Sentence: 'a mirror is on a pole by a light'. Count the number of vowels in the given sentence.

Output: 10


Input: Consider Input: Sentence: 'a vase with flower and apples on the table'. Count the number of vowels in the given sentence.


Output: 13