Task: Program Execution
Input (English): 6, 11, ['W', '1079', '3809', '2697', '2897', 'U', '9165', 'S', '9687', '3873', 'c', '2877', '3045', '4511', '1227', '3451', 'O', '3347', '9909', '1653', 'x', 'L', '5489', 'j', 'i']
Output (English): c37837869S5619U