Task: Program Execution
Input (English): 6, 18, ['n', 'a', 'I', 'N', 'x', '9047', '8069', 'u', 'l', '1659', 'Y', 'M', 'A', 'Z', 'H', '3663', '2719', 'L', '5083', '9907', '4037', '5973']
Output (English): L91723663HZAMY9561lu96087409