Task: Program Execution
Input (English): thBrGQkjZbOvdizntxRrYKTlhtIeFgfZ, AXLZKezQkjZbOvdizntxRVvbQwrqj
Output (English): b, d, e, f, g, h, i, j, k, l, n, o, q, r, t, v, x, y, z