Task: Program Execution
Input (English): 9, 21, ['4383', 'r', 'f', '7487', 'A', 'b', 'o', 'Z', 'b', 'z', 'G', '8347', '9419', '4999', '811', 'W', '1093', 'x', '443', '7365', 'z', 'A']
Output (English): bzG834794194999811W1093x4437365z