Task: Program Execution
Input (English): IJoQUocFemIgWWsvldGgBbqqXDwuVH, gRNIpqXUKWsvldGgBbqqXDwGgbzrDPEY
Output (English): b, d, e, g, i, k, l, n, p, q, r, s, u, v, w, x, y, z