Task: Program Execution
Input (English): mCwAUxjdFzGhmFxAqwwwJgkxedqiBEe, zVGeTFOQWMUxjdFzGhmFxAqwwzZGCRfOiXZhZB
Output (English): a, b, c, d, e, f, g, h, i, j, m, o, q, r, t, u, v, w, x, z