Task: Program Execution
Input (English): zFNlFGuwHwKbhaVMGjdejSj, gCFQmdhpRNlFGuwHwKbhaVMJDJRMO
Output (English): a, b, c, d, f, g, h, j, k, l, m, n, o, p, q, r, u, v, w