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: 'people in a hall bags and suitcases on the conveyor belt'. How many words end with the letter 's' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a man in an arena rides a bucking horse'. How many words end with the letter 'a' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'a painted vase is holding several colorful tulips'. How many words end with the letter 's' in the sentence.


Output: 2