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

Input: Consider Input: Sentence: 'the door of the refrigerator has many magnets and small pictures on it'. Replace the letter 's' with 'z' in the sentence.

Output: the door of the refrigerator haz many magnetz and zmall picturez on it


Input: Consider Input: Sentence: 'a house cat sits on an oven door, sniffing the oven racks inside'. Replace the letter 'i' with 'y' in the sentence.

Output: a house cat syts on an oven door, snyffyng the oven racks ynsyde


Input: Consider Input: Sentence: 'a vase with a plant in it beside a glass of water and another cup'. Replace the letter 's' with 'k' in the sentence.


Output: a vake with a plant in it bekide a glakk of water and another cup