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: 'two white swans are floating on the water'. How many words end with the letter 'g' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'an elephant wandering in front of a forest'. How many words end with the letter 'g' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'an elephant is walking on a pile of sand outside a building'. How many words end with the letter 'a' in the sentence.

Ex Output:

2