Task: Program Execution
Input (English): 17, 21, ['8651', '3715', '7417', 's', '2435', '959', '9909', 'P', '8869', 'L', 'b', '8803', 'Q', '9287', 't', '3127', '3155', 'Y', '5619', 'P', '8873', 'S', '9557', 'G', '1041']
Output (English): 3155Y5619P8873