In this task, you are given a string of characters. You need to remove duplicate characters from the string if any, and return the resulting string.

Input: Consider Input: sFOaSQTXRZRCwzaBgYcgIi

Output: sFOaSQTXRZCwzBgYcIi


Input: Consider Input: UjLmtcNFWOcqWdjClGGYxdbR

Output: UjLmtcNFWOqdClGYxbR


Input: Consider Input: rFKxvPpJRegTtjuLHnZzrpidasL


Output: rFKxvPpJRegTtjuLHnZzidas


