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

Input: Consider Input: Sentence: 'a woman holding a tennis racket getting ready to hit a tennis ball'. Replace the letter 'r' with 'l' in the sentence.

Output: a woman holding a tennis lacket getting leady to hit a tennis ball


Input: Consider Input: Sentence: 'a baseball game is in progress at a baseball stadium'. Replace the letter 's' with 'r' in the sentence.

Output: a bareball game ir in progrerr at a bareball rtadium


Input: Consider Input: Sentence: 'a group of people are playing wii together in a living room'. Replace the letter 'a' with 'n' in the sentence.


Output: n group of people nre plnying wii together in n living room