Task: Program Execution
Input (English): iPCwXeEqtqSYIitvdISADPKFLKgBIorTo, arPyJDSFtqSYIitvdISADPTFGKny
Output (English): a, b, c, d, e, f, g, i, k, l, o, p, q, r, s, t, v, w, x, y