Task: Program Execution
Input (English): 5, 18, ['2531', 'm', '5373', '6921', 'L', 'g', '2207', 's', 'f', 'K', '6447', 'a', 'q', '503', 'L', 'K', '4947', 'F', '8275', 'g', 'p', 'i', '3557', '2713', 'v', 'N', '3831']
Output (English): Lg2207sfK6447aq503LK4947F