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

Input: Consider Input: Sentence: 'a person under an open umbrella in the sand'. Replace the letter 'd' with 'h' in the sentence.

Output: a person unher an open umbrella in the sanh


Input: Consider Input: Sentence: 'a person is standing in the snow in skis'. Replace the letter 'g' with 'x' in the sentence.

Output: a person is standinx in the snow in skis


Input: Consider Input: Sentence: 'vehicular traffic on crowded city street in daylight'. Replace the letter 'g' with 'i' in the sentence.


Output: vehicular traffic on crowded city street in dayliiht