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: syWqVWrvlDarbXGGXvjghpC

Output: syWqVrvlDabXGjghpC


Input: Consider Input: MVSgVVGyEUoNRFFkrTkrgLcYYSPPAX

Output: MVSgGyEUoNRFkrTLcYPAX


Input: Consider Input: RSIIYSRjhKYxdfDrFUukVHMOcYR


Output: RSIYjhKxdfDrFUukVHMOc