Task: Program Execution
Input (English): 5, 20, ['B', '8773', '7997', '4583', '467', '4563', 'k', 'R', 'l', 'i', 'f', '5331', '2605', '3969', 'E', '9229', 'c', 'O', 'a', 'm', '1321', 'p']
Output (English): maOc9229E396926055331filRk4563467