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: 'looking at the airplane wing and the ground below'. How many words end with the letter 'd' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a woman cutting into a cake with a man standing behind her'. How many words end with the letter 'a' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'a man swings his racket and hits a tennis ball'. How many words end with the letter 'n' in the sentence.


Output: 1