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

Input: Consider Input: Sentence: 'a city street with cars and busses near buildings'. Replace the letter 'e' with 'd' in the sentence.

Output: a city strddt with cars and bussds ndar buildings


Input: Consider Input: Sentence: 'a box of a dozen doughnuts all varieties'. Replace the letter 'l' with 'i' in the sentence.

Output: a box of a dozen doughnuts aii varieties


Input: Consider Input: Sentence: 'a young boy is surrounded by adults at a party'. Replace the letter 'd' with 'u' in the sentence.


Output: a young boy is surrounueu by auults at a party