Task: Program Execution
Input (English): 12, ['b', '9919', '4153', '7761', '9459', '6815', '8703', '7481', '6093', '3545', '5573', 'G', 'R', '7249', '497', '8829', '9115', '1573', '2959', '6669', '5597', '9407', 'I', '9085']
Output (English): b, R