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.

Ex Input:
Sentence: 'a old picture of workers building the railroad'. How many words end with the letter 'd' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a bird sitting on the branch of a tree near leaves'. How many words end with the letter 'e' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a man that is standing on a soccer field with a ball'. How many words end with the letter 'n' in the sentence.

Ex Output:

2