Task: Program Execution
Input (English): KaPPDMlxNxaVcrcMuIJvoRYHDbGIon, QMriTozMFJLkFVcrcMuIJvoRYHDbttUDWLdODH
Output (English): b, c, d, f, h, i, j, k, l, m, o, q, r, t, u, v, w, y, z