Task: Program Execution
Input (English): JWFIsAaPQXhLLnbLdTFpR, TmQitEsgSaPQXhLLnbLdTFSqlGOqJtC
Output (English): a, b, c, d, e, f, g, h, i, j, l, m, n, o, p, q, s, t, x