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 is performing a skateboard trick above a roadway guardrail'. How many words end with the letter 's' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a gross dirty toilet in a unmaintained bathroom'. How many words end with the letter 't' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a man holds a tennis racket on a tennis court'. How many words end with the letter 's' in the sentence.


Output: 3