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

Input: Consider Input: Sentence: 'traffic congestion with cars and an electric tram'. Replace the letter 'a' with 'k' in the sentence.

Output: trkffic congestion with ckrs knd kn electric trkm


Input: Consider Input: Sentence: 'a shower, toilet and sink are highlights in this clean bathroom'. Replace the letter 'e' with 'd' in the sentence.

Output: a showdr, toildt and sink ard highlights in this cldan bathroom


Input: Consider Input: Sentence: 'a floor toilet in a stall surrounded by tiled walls'. Replace the letter 'w' with 'd' in the sentence.


Output: a floor toilet in a stall surrounded by tiled dalls