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

Input: Consider Input: Sentence: 'a man is posing in a desert, leaning on a sign with an image of a camel on it'. Replace the letter 'i' with 'r' in the sentence.

Output: a man rs posrng rn a desert, leanrng on a srgn wrth an rmage of a camel on rt


Input: Consider Input: Sentence: 'a young boy in a shopping cart looking at tooth brushes'. Replace the letter 'o' with 'r' in the sentence.

Output: a yrung bry in a shrpping cart lrrking at trrth brushes


Input: Consider Input: Sentence: 'a small child skiing down a gentle slope at a ski resort'. Replace the letter 'g' with 'z' in the sentence.


Output: a small child skiinz down a zentle slope at a ski resort