In this task, you need to count the number of words in a sentence that end with the given letter. Answer with numbers and not words.

Input: Consider Input: Sentence: 'a young man grinds a skateboard on a ledge'. How many words end with the letter 'a' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'a dishwasher stove and over combination with an extension plug resting on the stove surface'. How many words end with the letter 'n' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'a service truck charging the battery on a car'. How many words end with the letter 'r' in the sentence.


Output: 1