Task: Program Execution
Input (English): 7, 17, ['a', '6343', '2459', '6183', 'c', '9579', '3975', 'T', 'I', 'c', '3539', 'd', '1691', 'A', '9711', 'a', 'B', 'G', '7547', 'b']
Output (English): Ba1179A1961d9353cIT5793