Task: Program Execution
Input (English): 4, 8, ['x', 'C', 'R', 's', '2149', '2565', 'i', 'v', '5451', 'r', '2989', '4875', 'S', '3741', 'K', 'U', '3203', '8201', 'e', 'i', 'P', '5277', 'm', 'K', 'v']
Output (English): s21492565iv