Task: Program Execution
Input (English): 2, ['j', '5507', '1777', 'X', '7141', '1913', 'i', '781', 'i', 'q', '5173', 'v', '9349', 'B', 'X', '1829', '6261', 'M', '9953', '8711', 'X', 'g', '4575', 'I']
Output (English): j, 5507