Task: Program Execution
Input (English): 9, ['2973', '8535', '4005', '4705', '2125', '8069', 'b', '9943', '1759', '8809', 'Y', 'i', 'Z', '7283', 'c', '8305', '4825', 'S', 'B', '3823', 'h', 's', 'J', '1201', '8001', 'u', 'I', 'u']
Output (English): 2973, 8809, B, u