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

Ex Input:
Sentence: 'a pair of planes in an airport lot parked for boarding and exiting'. Replace the letter 'e' with 'o' in the sentence.

Ex Output:
a pair of planos in an airport lot parkod for boarding and oxiting


Ex Input:
Sentence: 'a fire hydrant and a rolled up fire hose'. Replace the letter 'd' with 's' in the sentence.

Ex Output:
a fire hysrant ans a rolles up fire hose


Ex Input:
Sentence: 'a man in red and one in blue are skiing'. Replace the letter 'd' with 'w' in the sentence.

Ex Output:

a man in rew anw one in blue are skiing