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

Input: Consider Input: Sentence: 'this is a cute dog sticking his head out of the window of a red car'. Replace the letter 'e' with 'z' in the sentence.

Output: this is a cutz dog sticking his hzad out of thz window of a rzd car


Input: Consider Input: Sentence: 'a small train is on the tracks by a house'. Replace the letter 'l' with 'x' in the sentence.

Output: a smaxx train is on the tracks by a house


Input: Consider Input: Sentence: 'a bathroom with white toilet and sink installations'. Replace the letter 'l' with 's' in the sentence.


Output: a bathroom with white toiset and sink instassations