Task: Program Execution
Input (English): WSCgVlsrwRvtHkDbCwCJzlfHbZjHohqjKsbB, oltzFcrWHkDbCwCJzlfHbZSloAYlXVHrL
Output (English): b, c, d, f, g, h, j, k, l, o, q, r, s, t, v, w, z