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 group of men and women standing in front of a ribbon'. How many words end with the letter 'n' in the sentence.

Output: 4


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: 'two people on skis on snowy mountain with sky'. How many words end with the letter 'o' in the sentence.


Output: 1