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: 'lose up of various trays of croissants and muffins'. Replace the letter 'n' with 'f' in the sentence.

Output: lose up of various trays of croissafts afd muffifs


Input: Consider Input: Sentence: 'a snow covered bench in park at night'. Replace the letter 'e' with 'd' in the sentence.


Output: a snow covdrdd bdnch in park at night