Task: Program Execution
Input (English): dLgOAsuhruIEJsgZFqNAvLDyltk, zHzHYXWQtMkUuhruIEJsgZFqiRuwBN
Output (English): b, e, f, g, h, i, j, k, m, n, q, r, s, t, u, w, x, y, z