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

Input: Consider Input: Sentence: 'a girl riding a horse is jumping the log'. Replace the letter 'a' with 't' in the sentence.

Output: t girl riding t horse is jumping the log


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

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


Input: Consider Input: Sentence: 'two dogs play on the beach at sunset'. Replace the letter 'b' with 'k' in the sentence.


Output: two dogs play on the keach at sunset