可以透過檔案輸入來檢查使用者輸入是否為一個魔術方陣，檔案輸入須將之命名為magic.txt並存於C槽中，便會輸出檢查檢果-Can enter through the file to check whether the user enters a magic square, the file input should be the named co-exist in the C slot magic.txt, it will output to check seized fruit