Task: Program Execution
Input (English): 1, 6, ['2901', 'L', 'c', 'b', '3387', 'm', 's', 'R', 'J', 'b', '121', '5401', 'U', 'N', '8239', 'O', 'X', 'j', '5863', 'g', '8883']
Output (English): 2901Lcb3387m