Task: Program Execution
Input (English): 14, 19, ['1399', '6207', '9631', '5069', 'g', 'k', '7709', '3013', 'i', '6409', '4195', '2723', 'k', 'r', 'l', 'J', '3697', 'x', 'q', '13', '5305']
Output (English): rlJ3697xq