Task: Program Execution
Input (English): TuKjViqMfvqiWgznCBVcLcDNWRMM, BiiimxiWgznCBVcLcDNWBYjQKdcOBRlTQ
Output (English): b, c, d, g, i, j, k, l, m, n, o, q, r, t, v, w, x, y, z