Task: Program Execution
Input (English): NXVaHBSlZjVTAaynqynBjedpTUzPqFRDJXkO, nhBUhMuqlZjVTAaynqynBjemFgEVqbqp
Output (English): a, b, d, e, f, h, j, k, l, n, o, p, q, r, s, t, u, v, x, y, z