Task: Program Execution
Input (English): JKFZMupeFETQMcLEwaKrVgNNiylZGOPvZvqUlEA, kZPkpNBLuETQMcLEwaKrVgNNwDOuUWfsr
Output (English): a, c, e, f, g, i, j, k, l, m, n, o, p, q, r, t, u, v, w, y, z