Task: Program Execution
Input (English): StDeStzgtEjBFZWMZlWyGASetaOG, GzEUzgtEjBFZWMZlWyGbnkUUyevvKdq
Output (English): b, d, e, f, g, j, k, l, m, n, q, t, u, v, w, y, z