Task: Program Execution
Input (English): 6, 18, ['D', '3121', 'p', 'n', '2621', '8697', '4857', 'G', 'D', 'n', 'M', 'H', '67', 'x', '3051', '6327', 'q', '6865', 'U', '7687', '7823', 'R', '3551', 'x', 'l', 'q', '943', 'S']
Output (English): 6865q63273051x67HMnDG48578697