In this task, you need to replace a letter in the sentence with another given letter.

Input: Consider Input: Sentence: 'a person flying a kite on the beach  between some trees'. Replace the letter 's' with 'k' in the sentence.

Output: a perkon flying a kite on the beach  between kome treek


Input: Consider Input: Sentence: 'people are standing outside in the parking lot'. Replace the letter 'i' with 'z' in the sentence.

Output: people are standzng outszde zn the parkzng lot


Input: Consider Input: Sentence: 'lots of kits flying in the sky while people are at the park'. Replace the letter 'l' with 'e' in the sentence.


Output: eots of kits feying in the sky whiee peopee are at the park