Task: Program Execution
Input (English): ItRtOhhaDcQzrixObFOuXpoOhgyeNKfixvafaIAWy, lsbrMbHaYbiUzrixObFOuXpoOhgiMHdNrolsaPpPCC
Output (English): a, b, c, d, f, g, h, i, l, m, n, o, p, r, s, u, x, y, z