Task: Program Execution
Input (English): JzGLtxjSfozuWaIXeluNYgybgxZcGfwBHxRyIGiRai, SlcaLeggXeluNYgybgxZcGfzuSDpytY
Output (English): a, b, c, e, f, g, h, i, j, l, n, o, r, s, t, u, w, x, y, z