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

Input: Consider Input: Sentence: 'a man is on a bed with a cat and laptop computer'. Replace the letter 'e' with 'n' in the sentence.

Output: a man is on a bnd with a cat and laptop computnr


Input: Consider Input: Sentence: 'a man is somewhat hard to be seen in the wave, on his board'. Replace the letter 's' with 'b' in the sentence.

Output: a man ib bomewhat hard to be been in the wave, on hib board


Input: Consider Input: Sentence: 'a ram stands alone in grass between large rocks'. Replace the letter 'r' with 'o' in the sentence.


Output: a oam stands alone in goass between laoge oocks