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

Input: Consider Input: Sentence: 'stone and white colored structure in front of white modern building'. Replace the letter 'r' with 'p' in the sentence.

Output: stone and white coloped stpuctupe in fpont of white modepn building


Input: Consider Input: Sentence: 'vintage cartoon elephant and cartoon dog paper tags'. Replace the letter 'p' with 'r' in the sentence.

Output: vintage cartoon elerhant and cartoon dog rarer tags


Input: Consider Input: Sentence: 'a man is on a saddled horse with reins'. Replace the letter 's' with 'o' in the sentence.


Output: a man io on a oaddled horoe with reino