Task: Program Execution
Input (English): ZYcJgRWHxdNJpeDZbOhUiCiHA, pKkQlHxdNJpeDZbOhUgttKURhNIWtZ
Output (English): b, d, e, g, h, i, j, k, l, n, o, p, q, r, t, u, w, x, z