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

Input: Consider Input: Sentence: 'a little girl is sitting in a suitcase in a library'. Replace the letter 't' with 'l' in the sentence.

Output: a lillle girl is silling in a suilcase in a library


Input: Consider Input: Sentence: 'a piece of chocolate cake is on a plate with a fork'. Replace the letter 'e' with 's' in the sentence.

Output: a piscs of chocolats caks is on a plats with a fork


Input: Consider Input: Sentence: 'a skiier poses in front of a ski lift and dark clouds'. Replace the letter 'r' with 'e' in the sentence.


Output: a skiiee poses in feont of a ski lift and daek clouds