Task: Program Execution
Input (English): 12, 20, ['e', '7147', 'b', 'D', '8181', 'W', 'y', '9391', '9593', 'x', '5493', '4653', '3405', '801', 'l', 'X', 'W', 'B', 'U', '9411', 'O', 'X']
Output (English): 46533405801lXWBU9411