Task: Program Execution
Input (English): 9, 10, ['b', '3803', 'B', '1217', '3987', '6733', '6363', '3043', '5461', 'P', 'E', 'v', 'T', '6821', 'G', 'D', 'R', 'R', 'i', 'E', 's', 'p', 'D', 'o', 'e']
Output (English): P1645