Task: Program Execution
Input (English): 8, 20, ['K', '1123', 'S', '8651', 'x', '7079', 'q', 'C', '5941', 'D', 'w', '3121', '3089', 'S', 'b', '3367', 'Q', '4739', 'u', 'd']
Output (English): du4739Q3367bS30893121wD5941C