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

Input: Consider Input: Sentence: 'a bathroom that has  a sink and a toilet'. Replace the letter 's' with 'a' in the sentence.

Output: a bathroom that haa  a aink and a toilet


Input: Consider Input: Sentence: 'a formal dinning room in a stately manor'. Replace the letter 'n' with 'o' in the sentence.

Output: a formal diooiog room io a stately maoor


Input: Consider Input: Sentence: 'two zebras eat grass near a wooden fence and trees'. Replace the letter 'e' with 'k' in the sentence.


Output: two zkbras kat grass nkar a woodkn fknck and trkks