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 yellow sign pointing in both direction mounted to a wall under a window'. How many words end with the letter 'o' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a couple of police officers stand on a street corner'. How many words end with the letter 'e' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a shower over a bath tub and a toilet'. How many words end with the letter 'b' in the sentence.


Output: 1