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: 'the elderly person wearing a cap is smiling'. How many words end with the letter 's' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a woman playing with an interactive gaming unit'. How many words end with the letter 'n' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a tall stone column with a clock on the steeple in the center of a courtyard'. How many words end with the letter 'e' in the sentence.


Output: 4