Task: Program Execution
Input (English): FkIjnhiGinKmehkDFbGPMqkQXBvyoovxb, ZQstOveRiHsRUaiGinKmehkDFbGPMWMoLZk
Output (English): a, b, d, e, f, g, h, i, k, l, m, n, o, p, q, r, s, t, u, v, w, z