Task: Program Execution
Input (English): RDJbpXAAYPPaPVTevtWcQxOFQLPjlC, GUAPPaPVTevtWcQxOvnQeSkbQXCqXIv
Output (English): a, b, c, e, g, i, k, n, o, p, q, s, t, u, v, w, x