Task: Program Execution
Input (English): 4, 18, ['L', 'e', 'c', '683', '6491', '8793', 'j', 'O', '9693', '6675', '6035', '2747', 'B', '5473', 'N', '7691', '2581', 'q', '4531', '671', '9789', '7627', 'a', 'E', '2887']
Output (English): 68364918793jO9693667560352747B5473N76912581q