Task: Program Execution
Input (English): CeHxotwHCTGEawSGgqEbNZgcJnR, XMNvQkTirZwHCTGEawSGgqEbNlRaAL
Output (English): a, b, c, e, g, h, i, k, l, m, n, q, r, s, t, v, w, x, z