Task: Program Execution
Input (English): 4, 7, ['8975', 'Y', '9011', '5523', '8915', 'T', '3539', '7583', 'G', '4535', '579', 'O', 'J', '8647', 'Z', 'M', 'b', 'j', '3669', 'O', '9109', '5195', 'p', '199', '7961']
Output (English): 3539T89155523