Task: Program Execution
Input (English): RupAUmXnfoAYZxmjLSFDsyzBiZwwpkRE, iZdAYZxmjLSFDsyZAGplVeKGyPG
Output (English): a, b, d, e, f, i, j, k, l, m, n, o, p, r, s, u, w, x, y, z