Task: Program Execution
Input (English): 1, 15, ['3571', 'D', '1249', 'g', '2843', '8589', 'R', '1161', '5653', '1821', 'w', 'b', 'i', 'c', '8247', '1397']
Output (English): 7428cibw128135651611R98583482g9421D1753