Task: Program Execution
Input (English): 2721, 61, W, o, 4093, 3771, n, 5999, 5147, 5669, 8195, H, 4541, g, 3791, w, 1699, J
Output (English): W, o, n, H, g, w, J, 2721, 61, 4093, 3771, 5999, 5147, 5669, 8195, 4541, 3791, 1699