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 bike stands on his dirtbike in a circus'. How many words end with the letter 'n' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a table is covered with breakfast foods and coffee'. How many words end with the letter 'e' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a man using the toilet while on the computer'. How many words end with the letter 'e' in the sentence.

Ex Output:

3