Task: Program Execution
Input (English): 9, ['37', '7781', 'S', 'J', '5421', '4525', '9323', 'N', '5157', 'b', 'w', 'U', 'n', 'L', '4235', '8973', 'P', '4307', 'J', '2171', 'A', 'C', '6471', '3131', 'u', 'i', '3661', '9251', '6859', 'D', 'i', 'W', '9663', 'C', '2109', '5719']
Output (English): 37, b, J, 9251