Task: Program Execution
Input (English): fpPDVhDlrGHhEyBQuMnxHFUdGHF, QkPlTJuTFcRgcGHhEyBQuMnxHFUdmCh
Output (English): b, c, d, e, f, g, h, j, k, l, m, n, p, q, r, t, u, x, y