Task: Program Execution
Input (English): xDkaHDHiZekFmoqCcxAUYTSIPPmO, tWvAjfuXSFmoqCcxAUYTSIPPfUEoXHHWHPhMijQ
Output (English): a, c, e, f, h, i, j, m, o, p, q, s, t, u, v, w, x, y