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

Input: Consider Input: Sentence: 'a person on a surfboard riding in ocean waves'. Replace the letter 's' with 'g' in the sentence.

Output: a pergon on a gurfboard riding in ocean waveg


Input: Consider Input: Sentence: 'two parrots on a tree next to a metal pan'. Replace the letter 'w' with 'j' in the sentence.

Output: tjo parrots on a tree next to a metal pan


Input: Consider Input: Sentence: 'a flat screen tv sitting in a living room'. Replace the letter 'a' with 'y' in the sentence.


Output: y flyt screen tv sitting in y living room