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

Input: Consider Input: Sentence: 'a man and a child skiing down a mountain on a trail'. Replace the letter 'n' with 'm' in the sentence.

Output: a mam amd a child skiimg dowm a moumtaim om a trail


Input: Consider Input: Sentence: 'a gray elephant standing next to green bushes'. Replace the letter 'e' with 'o' in the sentence.

Output: a gray olophant standing noxt to groon bushos


Input: Consider Input: Sentence: 'a public toilet with a full trash can'. Replace the letter 't' with 'v' in the sentence.


Output: a public voilev wivh a full vrash can