Scanner i=new Scanner(System.in);

        int    num=i.nextInt();

        if (num<=0) {

            System.out.print("請輸入正整數！");

        }else if (num%2==0) {

            System.out.print("“"+num+"”"+"為偶數！");

        }else {

            System.out.print("“"+num+"”"+"為奇數！");

        }

    }

}