Task: Program Execution
Input (English): 1, ['2531', '8461', '4477', '2081', 's', '4695', 'J', 'k', '2713', '5489', 'h', '7217', 'q', 'H', '61', 'x', 'r', 'V', 'x', 'R', 'o', 't', '1699', 's']
Output (English): 2531