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: hwHEeswGPwIHXoGqSbWQX

Output: hwHEesGPIXoqSbWQ


Input: Consider Input: VcrgYTUvOnvbXXSZoTTgrtPoOIhlUW

Output: VcrgYTUvOnbXSZotPIhlW


Input: Consider Input: hKTjUWnplikUoORBRCmJL


Output: hKTjUWnplikoORBCmJL