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

Input: Consider Input: Sentence: 'an airplane moves through the skies above a snowy mountain range'. Replace the letter 'l' with 's' in the sentence.

Output: an airpsane moves through the skies above a snowy mountain range


Input: Consider Input: Sentence: 'an umbrella sitting on top of a hill next to a body of water'. Replace the letter 't' with 'b' in the sentence.

Output: an umbrella sibbing on bop of a hill nexb bo a body of waber


Input: Consider Input: Sentence: 'a closeup of a cat sitting right in front of a keyboard and monitor'. Replace the letter 'r' with 'd' in the sentence.


Output: a closeup of a cat sitting dight in fdont of a keyboadd and monitod