Task: Program Execution
Input (English): 1, ['2977', 'D', '5333', 'U', 'M', '6585', '6911', 'y', '1777', 'n', 'E', 'C', 'H', 'v', 'O', '1461', 'P', '7229', 'W', 's', '7761', 'b', '543']
Output (English): 2977