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

Input: Consider Input: Sentence: 'the airplane is parked on the runway for people to look at'. Replace the letter 'a' with 'e' in the sentence.

Output: the eirplene is perked on the runwey for people to look et


Input: Consider Input: Sentence: 'the man is skiing fast in the snow'. Replace the letter 'o' with 'x' in the sentence.

Output: the man is skiing fast in the snxw


Input: Consider Input: Sentence: 'a motor boat in the sea carrying people close to the shore'. Replace the letter 'a' with 'b' in the sentence.


Output: b motor bobt in the seb cbrrying people close to the shore