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 man on skis stands on some snow'. How many words end with the letter 'n' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'vintage luggage and furniture decorate a brightly lit room'. How many words end with the letter 'a' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'professional baseball players talking on the field during a game'. How many words end with the letter 'n' in the sentence.

Ex Output:

1