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

Input: Consider Input: Sentence: 'a dog wearing a pink life jacket sitting on a surf board in the ocean'. Replace the letter 'c' with 'y' in the sentence.

Output: a dog wearing a pink life jayket sitting on a surf board in the oyean


Input: Consider Input: Sentence: 'a man is standing at the base ball triangle with bat in tow'. Replace the letter 'n' with 'c' in the sentence.

Output: a mac is stacdicg at the base ball triacgle with bat ic tow


Input: Consider Input: Sentence: 'a street sign is on the corner of a city street'. Replace the letter 'c' with 'd' in the sentence.


Output: a street sign is on the dorner of a dity street