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

Input: Consider Input: Sentence: 'little tubs of rice and mixed vegetables for a meal'. Replace the letter 't' with 'z' in the sentence.

Output: lizzle zubs of rice and mixed vegezables for a meal


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: 'cattle grazing in a grassy field filled with trees'. Replace the letter 'i' with 'q' in the sentence.


Output: cattle grazqng qn a grassy fqeld fqlled wqth trees