Task: Program Execution
Input (English): 1, 5, ['1311', 'x', 'r', '4483', '9119', '1479', 'u', 'X', '8759', 'H', '7131', 'l', '6105', '2625', 'l', '2905', '2637', '3511', 'U', 'n']
Output (English): 1311xr44839119