题目8 今年的第几天？

import java.util.Scanner;

public class Main{
    private static int isLeap(int year){
        if(year%4==0&&year%100!=0||year%400==0) return 1;
        else return 0;
    }
    private static int[][] dayOfMonth={
        {0,0},
        {31,31},
        {28,29},
        {31,31},
        {30,30},
        {31,31},
        {30,30},
        {31,31},
        {31,31},
        {30,30},
        {31,31},
        {30,30},
        {31,31},
    };
    public static void main(String[] args) {
        Scanner in=new Scanner(System.in);
        while(in.hasNext()){
            int year=in.nextInt();
            int month=in.nextInt();
            int day=in.nextInt();
            int sum=0;
            for(int i=1;i<month;i++){
                sum+=dayOfMonth[i][isLeap(year)];
            }
            sum+=day;
            System.out.println(sum);
        }
    }
}