Task: Program Execution
Input (English): 1, 7, ['2251', 'W', 'O', '9447', '6965', '4345', '8441', '3935', 'q', '4509', 'e', '6207', '6853', 'B', 'g', 'm', 'g', 'c']
Output (English): 2251WO9447696543458441