Task: Program Execution
Input (English): 2, 18, ['6545', 'x', 'm', 'w', '1217', '4249', 'I', 'n', 'm', '9859', 'l', '6565', 'x', 'O', 'C', 'L', '7353', '1503', '5567']
Output (English): 30513537LCOx5656l9589mnI94247121wmx