import java.util.Scanner;public class year {    public static void main(String[] args) {        System.out.println("请输入年份");        Scanner sc = new Scanner(System.in);        int s = sc.nextInt();        System.out.println("请输入月份");        Scanner sc1 = new Scanner(System.in);        int v = sc.nextInt();        if (s%4==0&&s%100!=0||s%400==0){            System.out.println(s+"是闰年");        }else {            System.out.println(s+"是平年");        }        if (v ==1||v==3||v ==5||v==7||v ==8||v==10||v ==12){            System.out.println(v+"是31天");        }        else if(v==4||v ==6||v==9||v ==11){            System.out.println(v+"是30天");         }else if(s%4==0&&s%100!=0&&v==2||s%400==0&&v==2){            System.out.println(v+"是29天");        }else{            System.out.println(v+"是28天");        }    }}