Task: Program Execution
Input (English): 3, 19, ['l', '3477', '6127', 'M', '3745', '9273', '275', 'v', '8347', '6407', '5405', 'V', '5255', '6407', '7713', '9077', '2545', '5157', 'J', 'R', '1847']
Output (English): J515725459077771364075255V540564078347v27592733745M6127