Task: Program Execution
Input (English): bDqlwGcBuRFfBHpydyAk, bTQUjeEQzkwGcBuRFfBHpyxKsUHnxCDG
Output (English): b, c, d, e, f, g, h, j, k, n, p, q, r, s, t, u, w, x, y, z