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 crowd of people standing around an airport waiting for luggage'. How many words end with the letter 'f' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'an automobile is riding in a train car'. How many words end with the letter 'e' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a black cat standing on top of a white toilet'. How many words end with the letter 'f' in the sentence.


Output: 1