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: 'many sheep are out in the green grass'. How many words end with the letter 'n' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'an automobile is riding in a train car'. How many words end with the letter 'e' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a tennis player is outstretched with his racquet'. How many words end with the letter 's' in the sentence.

Ex Output:

3