Task: Program Execution
Input (English): FFAotOioDjrDwylVaVXKYkQJIwuAws, bxWRvQrMxTpylVaVXKYkQJIwuAnCpYf
Output (English): a, b, c, f, i, j, k, l, m, n, p, q, r, t, u, v, w, x, y