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: 'woman laying in bed on her person pad computer system'. How many words end with the letter 'r' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a sign on a pole is displayed on a road'. How many words end with the letter 'a' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'a small girl with a half eaten doughnut in front of her'. How many words end with the letter 'f' in the sentence.


Output: 2