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 herd of zebra standing in a dirt field'. How many words end with the letter 'a' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'there is a man that is laying on the floor in the bathroom'. How many words end with the letter 'r' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a person riding a surf board behind a boat'. How many words end with the letter 'd' in the sentence.


Output: 2