Task: Program Execution
Input (English): zSJtcFZzAKVmlqJxGLwZtAwF, vsMrdtnJzlKAKVmlqJxGLwZtAxsquxhRv
Output (English): a, d, g, h, j, k, l, m, n, q, r, s, t, u, v, w, x, z