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: 'this is a depiction of 34th avenue where the corner shows  all of the sights'. How many words end with the letter 's' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'a pair of skiers stare into the trees'. How many words end with the letter 'o' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'five policemen sitting on horses watch the pedestrians'. How many words end with the letter 'n' in the sentence.


Output: 2