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

Input: Consider Input: Sentence: 'a fire fighter climbs onto the roof of a market with a ladder'. Replace the letter 'r' with 'k' in the sentence.

Output: a fike fightek climbs onto the koof of a makket with a laddek


Input: Consider Input: Sentence: 'two cars parked next to each other in a parking lot'. Replace the letter 'i' with 'h' in the sentence.

Output: two cars parked next to each other hn a parkhng lot


Input: Consider Input: Sentence: 'a digital tablet sitting on a desk next to a laptop computer'. Replace the letter 'l' with 's' in the sentence.


Output: a digitas tabset sitting on a desk next to a saptop computer