public static void main(String[] args)
System.out.println("请输入年份");
Scanner sc = new Scanner (System.in);
int y= sc.nextInt();
System.out.println("请输入月份");
Scanner sa = new Scanner (System.in);
int m = sc.nextInt();
if(y%4==0&&y0==0||y@0==0){
System.out.println(y+"是闰年");
}else{
System.out.println(y+"是平年");
}
if(m==1||m==3||m==5||m==7||m==8||m==10||m==12){
System.out.println(y+"年"+m+"月有31天");
}else if (m==4||m==6||m==9||m==11){
System.out.println(y+"年"+m+"月有30天");
}else if (y % 4 == 0 && y % 100 != 0 && m == 2){
System.out.println(y+"年"+m+"月有29天");
} else{
System.out.println(y+"年"+m+"月有28天");
}
}
}
