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

Input: Consider Input: Sentence: 'a young baseball player throws the ball as others watch'. Replace the letter 'a' with 'n' in the sentence.

Output: n young bnsebnll plnyer throws the bnll ns others wntch


Input: Consider Input: Sentence: 'a person jumping up in the air on a snowboard'. Replace the letter 'r' with 'o' in the sentence.

Output: a peoson jumping up in the aio on a snowboaod


Input: Consider Input: Sentence: 'a group of peopl standing arond on the beach wearing wetsuits'. Replace the letter 'o' with 'r' in the sentence.


Output: a grrup rf perpl standing arrnd rn the beach wearing wetsuits