Task: Program Execution
Input (English): oznCuUUqOXWazZGnAzDTiNpStXEXXzf, DEThXEnXYeQUUqOXWazZGnAzDBQVsR
Output (English): a, c, d, e, f, g, i, n, o, p, q, s, t, u, w, x, z