import java.util.*; public class ee{ public static void main(String[]agrs){ Scanner sc=new Scanner (System.in); int year; System.out.println("请输入一个年份:"); year=sc.nextInt(); if((year/4==0&&year/100!=0)||(year/400==0)){ System.out.println("是闰年:"); }else{ System.out.println("是平年:"); } } }