Task: Program Execution
Input (English): xmLOBZQesUTxKjfavMtmCeLeqQmQpkgv, gPkHkXLxeUxKjfavMtmCeLeqiYrLyJx
Output (English): a, b, c, e, f, g, j, k, l, m, o, p, q, s, t, u, v, x, z