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 mirror hangs from the ceiling of a large room'. How many words end with the letter 'a' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a male tennis player in a yellow shirt is playing tennis'. How many words end with the letter 's' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'a dog chewing on an old ball in the yard'. How many words end with the letter 'd' in the sentence.


Output: 2