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 man in a snow suit skiing down a powdery mountain'. How many words end with the letter 'n' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'a reflection of a large building in a window'. How many words end with the letter 'f' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a man riding on the back of a motorcycle down a street'. How many words end with the letter 'n' in the sentence.


Output: 3