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: 'two trains pass over the tracks over a river'. How many words end with the letter 'o' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a man is pumping gas into a truck at a gas station'. How many words end with the letter 's' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'a stuffed bear sits beside a book and a clock that reads 314'. How many words end with the letter 't' in the sentence.


Output: 1