Task: Program Execution
Input (English): 7, 14, ['F', '3993', '1167', 'd', 'U', '8973', '4765', '2569', '1579', 'q', '8645', 'O', 'Z', 'K', 'z', '1973', 'B', '9457']
Output (English): KZO5468q975196525674