Task: Program Execution
Input (English): CowAgVUDcwOYNbHUyKjCRtRfZBJWwYGnR, FpoFIAdwOYNbHUyKjCRKMBISfPjm
Output (English): a, b, c, d, f, g, h, j, k, n, o, r, t, u, v, w, y, z