public static void main(String[] args) {
int year; int month; int days;
Scanner input = new Scanner(System.in);
year=input.nextInt();
month=input.nextInt(); switch(days){
case 1:days=31;break;
case 2:if(year%400==0||year%4==0&&year%100!=0){days=29;}else{days=28;};break;
case 3:days=31...
