Task: Program Execution
Input (English): 1, ['1527', '4533', 'b', 'B', 's', '1421', 'q', 'p', 'F', '7831', '1181', '8721', '2789', '3245', 'R', '5349', '8405', '8737', '1859', 'H', '6973', 'k', '1143', 'F', '5229', '8605']
Output (English): 1527