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

Input: Consider Input: Sentence: 'a group of people hanging around holding umbrellas'. Replace the letter 'p' with 'f' in the sentence.

Output: a grouf of feofle hanging around holding umbrellas


Input: Consider Input: Sentence: 'a man loads bananas high on top of a banana truck'. Replace the letter 'f' with 'c' in the sentence.

Output: a man loads bananas high on top oc a banana truck


Input: Consider Input: Sentence: 'a double decker bus is shown driving on street'. Replace the letter 'u' with 'y' in the sentence.


Output: a doyble decker bys is shown driving on street