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 boy is riding a skateboard off of a ramp'. How many words end with the letter 's' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a blackandwhite photo of a woman using a hairdryer'. How many words end with the letter 'a' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'a cat sitting on top of a refrigerator freezer'. How many words end with the letter 'n' in the sentence.


Output: 1