Task: Program Execution
Input (English): 12, 20, ['x', '4771', 'Y', 'Y', 's', 'g', '1831', 'i', 'O', '7731', '4851', '8599', 'R', 'X', '2063', 'g', '1717', 'x', '6975', '4937', '7233', 'B', '9551', '6445', '9879', 'M']
Output (English): 8599RX2063g1717x69754937