Task: Program Execution
Input (English): 5, 12, ['4807', 'J', 'N', 'E', 'Z', 'x', '8959', 'Z', '7697', 's', '9065', 'y', 'v', '8569', '667', '6215', 'w', 'o', '1939']
Output (English): y9065s7697Z8959xZ