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

Input: Consider Input: Sentence: 'a baby pokes his head out of a suitcase'. Replace the letter 'u' with 's' in the sentence.

Output: a baby pokes his head ost of a ssitcase


Input: Consider Input: Sentence: 'a photo of a woman milking a brown cow'. Replace the letter 'k' with 'q' in the sentence.

Output: a photo of a woman milqing a brown cow


Input: Consider Input: Sentence: 'a woman is brushing her long red hair'. Replace the letter 'a' with 'y' in the sentence.


Output: y womyn is brushing her long red hyir