import java.util.Scanner;

public class Main
{
    public static boolean isLeapYear(int year)
    {
        return  year % 100 == 0 ? year % 400 == 0 : year % 4 == 0;
    }

    public static void main(String[] args)
    {
        // TODO Auto-generated method stub
        Scanner in = new Scanner(System.in);
        int year = 0;
        while (in.hasNext())
        {
            year = in.nextInt();
            System.out.println("请输入任意一个年份:");
            if (year < 0)
            {
                System.out.println("输入为错误的年份");
            }
            else
            {
                if (isLeapYear(year))
                    System.out.println(year + "是闰年！");
                else
                    System.out.println(year + "是平年");
            }
        }
        in.close();
    }

}