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: 'the group of people is riding on the back of the truck'. How many words end with the letter 'e' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'a woman is riding a bike down the street next to a bus'. How many words end with the letter 's' in the sentence.


Output: 2