Task: Program Execution
Input (English): WRYdGQpLjvbUMoMYnLqmbBWzbUE, FHzzCIiloWAbUMoMYnLqmbZhDmRqexHW
Output (English): a, b, c, d, e, f, h, i, l, m, n, o, q, r, u, w, x, y, z