Task: Program Execution
Input (English): LGKgAzxkxiVqXaYfrtYtAbHuNXcnbrkVvmifo, IrvFeclyiVqXaYfrtYtAbHEsZBIIbVR
Output (English): a, b, c, f, g, h, i, k, l, m, n, o, q, r, t, u, v, x, y, z