Task: Program Execution
Input (English): SsWssddIaJuSisJmAINCVEPvBLlpJx, CAeWfVsYoqXuWssddIaJuSisJmDFWiKxOxOkhC
Output (English): a, c, d, e, f, h, i, j, k, m, o, q, s, u, v, w, x, y