Task: Program Execution
Input (English): 1, 12, ['8401', 'z', '3781', 'G', '6881', 'C', '5277', '2983', '25', 'I', '2109', '3805', '721', '5853', 'G', '6761', '5101', '1123', '9911', 'I', 'g', '9247', '9231', '9047', 'A']
Output (English): 8401, 721, A