Task: Program Execution
Input (English): 2, 4, ['M', '8499', 'x', 's', 'R', '5843', '313', 'G', 'h', '3985', 'S', 'u', '5357', 'C', '2357', 'Z', '5373', '4793', 'l', 'd']
Output (English): 8499xs