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 riding a skateboard while having a mohawk'. How many words end with the letter 'k' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'two smart phones sit side by side both are turned on'. How many words end with the letter 'e' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a group of military officials in an office setting cutting a large cake'. How many words end with the letter 'n' in the sentence.

Ex Output:

2