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

Input: Consider Input: Sentence: 'a person snow skiing down a hill while the hold their ski poles'. Replace the letter 'r' with 'g' in the sentence.

Output: a pegson snow skiing down a hill while the hold theig ski poles


Input: Consider Input: Sentence: 'a man in blazer holding a tie over his eyes'. Replace the letter 's' with 'e' in the sentence.

Output: a man in blazer holding a tie over hie eyee


Input: Consider Input: Sentence: 'a man holding two surfboards standing on a beach'. Replace the letter 'n' with 'm' in the sentence.


Output: a mam holdimg two surfboards stamdimg om a beach