Task: Program Execution
Input (English): gwoeQfWQRTVhSlkfJUQkWMejMeXGUgUOCadv, kFxuRTVhSlkfJUQkWMeABqecww
Output (English): a, c, d, e, f, g, h, j, k, l, m, o, q, r, s, t, u, v, w, x