Task: Program Execution
Input (English): zvyRjHtVagDIhBboEzsmFenzstmNUOIox, zxWzGBgSPiqcgDIhBboEzsmFeWgRKQBefOA
Output (English): a, b, c, d, e, f, g, h, i, k, m, o, p, q, r, s, w, x, z