import java.util.Scanner; public class test3 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner sc=new Scanner(System.in); System.out.println("请输入年份"); int year=sc.nextInt(); System.out.println("请输入月份"); int month=sc.nextInt(); if(year%4==0&&year%100!=0||year%400==0){ System.out.println("闰年"); }else{ System.out.println("平年"); } if(month==1|| month==3 || month==5|| month==7 || month==8||month==10||month==12){ System.out.println("31天"); }if(month==4|| month==6 || month==9|| month==11){ System.out.println("30天"); }if(month==2){ if(year%4==0&&year%100!=0||year%400==0){ System.out.println("闰年"+month+"月份29天"); }else{ System.out.println("28天"); } } } }