Task: Program Execution
Input (English): yOauApignNRbBmwDFVUxtHc, biraJCPxezFNpignNRbBmwDFVUKLCDUsfXxP
Output (English): a, b, c, d, e, f, g, i, j, k, l, m, n, p, r, s, u, v, w, x, z