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

Input: Consider Input: Sentence: 'a giraffe looking over a fence and another reaching over the fence'. Replace the letter 'l' with 'h' in the sentence.

Output: a giraffe hooking over a fence and another reaching over the fence


Input: Consider Input: Sentence: 'a bunch of signs on a pole on the street'. Replace the letter 'c' with 's' in the sentence.

Output: a bunsh of signs on a pole on the street


Input: Consider Input: Sentence: 'a big metal colander filled with navel oranges'. Replace the letter 'a' with 'n' in the sentence.


Output: n big metnl colnnder filled with nnvel ornnges