Task: Program Execution
Input (English): 4, 20, ['d', 'S', '3957', '7661', '6029', '8825', 'E', 'S', '9185', 'a', '7825', 'x', '7307', 'C', '6855', '2299', 'u', 'x', '445', 'p', 'P', 'j', 'Y', '4579', '3495', 'S', '9717']
Output (English): p544xu99225586C7037x5287a5819SE528892061667