Task: Program Execution
Input (English): 6, 16, ['5961', '4327', '4921', '7647', 'H', 'X', 'D', 'W', '2439', 'W', 'v', '4579', 'j', 'q', 'L', 'K', '1131', 'Y', 'E', '8829']
Output (English): KLqj4579vW2439WDX