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.

Ex Input:
Sentence: 'people of various ages play tennis, hold tennis balls and swing their racquets'. Count the number of consonants in the given sentence.

Ex Output:
41


Ex Input:
Sentence: 'several carrots on a cutting board with a knife on top'. Count the number of consonants in the given sentence.

Ex Output:
27


Ex Input:
Sentence: 'several flash drives, a small notepad and pen, earbud headphones, small zippered pouch, an asus laptop, and a paperback copy of "eat pray love" arranged in a grid pattern'. Count the number of vowels in the given sentence.

Ex Output:

51