Task: Program Execution
Input (English): lPAvvtFzcJPFcXyoKawVGKVbHodFECJBS, ISSCFcXyoKawVGKVLtuQuNeoOUVF
Output (English): a, b, c, d, e, f, g, h, j, k, l, o, p, s, t, v, w, x, y, z