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 old picture of workers building the railroad'. How many words end with the letter 'd' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'three giraffes two of which are laying on the ground'. How many words end with the letter 'n' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a brown and white cow grazing in a field with trees in the background'. How many words end with the letter 'a' in the sentence.


Output: 2