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

Input: Consider Input: Sentence: 'a teddy bear dressed in denim is laying on a floor'. Replace the letter 'i' with 'd' in the sentence.

Output: a teddy bear dressed dn dendm ds laydng on a floor


Input: Consider Input: Sentence: 'a person snow skiing down a hill while the hold their ski poles'. Replace the letter 'r' with 'g' in the sentence.

Output: a pegson snow skiing down a hill while the hold theig ski poles


Input: Consider Input: Sentence: 'long passenger train riding along pass an empty field'. Replace the letter 'a' with 'l' in the sentence.


Output: long plssenger trlin riding llong plss ln empty field