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 snowboarder on the ground after a fall'. How many words end with the letter 'r' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'an elephant crosses a dirt road in front of a white truck'. How many words end with the letter 's' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a baseball player at home base swings at the pitch'. How many words end with the letter 'a' in the sentence.


Output: 1