Task: Program Execution
Input (English): 9, ['j', '8533', '3821', '2337', '5143', 'O', 'g', 'k', 'p', '8865', '4185', '5807', '7813', '3791', 'T', 'D', 's', '8477', 'U']
Output (English): j, 8865, U