Task: Program Execution
Input (English): nKfoIArANzxZkDAYvtxhFGrLUayPic, YYWSlXkDAYvtxhFGrLUaVItmXYVXsTU
Output (English): a, d, f, g, h, i, k, l, m, r, s, t, u, v, w, x, y