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

Input: Consider Input: Sentence: 'a person holding a green cell phone in a classroom with many desks'. Replace the letter 'k' with 'w' in the sentence.

Output: a person holding a green cell phone in a classroom with many desws


Input: Consider Input: Sentence: 'someone playing frisbee with a dog in the middle of a court'. Replace the letter 'd' with 'r' in the sentence.

Output: someone playing frisbee with a rog in the mirrle of a court


Input: Consider Input: Sentence: 'a toilet without a tank is in a bathroom next to a bathtub'. Replace the letter 't' with 'c' in the sentence.


Output: a coilec wichouc a cank is in a bachroom nexc co a bachcub