Task: Program Execution
Input (English): hFWrEUAZNvChvfmLWYyIHFpOustRLcud, lLDfKfmLWYyIHFpOustYqtNV
Output (English): a, c, d, e, f, h, i, l, m, n, o, p, r, s, t, u, v, w, y, z