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

Input: Consider Input: Sentence: 'a man in a field standing as a ball comes through the air towards him'. Replace the letter 'u' with 'j' in the sentence.

Output: a man in a field standing as a ball comes throjgh the air towards him


Input: Consider Input: Sentence: 'a skier with his legs covered in snow lifts one of his feet to stamp it'. Replace the letter 's' with 'y' in the sentence.

Output: a ykier with hiy legy covered in ynow lifty one of hiy feet to ytamp it


Input: Consider Input: Sentence: 'a bathroom with a white bath tub and toilet'. Replace the letter 'a' with 'e' in the sentence.


Output: e bethroom with e white beth tub end toilet