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 holding a hot dog up to her face in front of trees'. How many words end with the letter 's' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a group of people riding skis up to a cabin'. How many words end with the letter 'a' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a blackandwhite picture of a person in the street'. How many words end with the letter 'a' in the sentence.


Output: 2