package trinitySite;

import java.util.Scanner;

public class DayInYear {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int[][] a = new int[12][];                          //產生空月曆

        for(int i = 0; i < 12; i++) {
            if(i != 1 && i < 7 && i % 2 == 0) {             //填入所有月份(沒有2月)
                a[i] = new int[31];
            } else if(i != 1 && i < 7 && i % 2 == 1) {
                a[i] = new int[30];
            } else if(i >= 7 && i % 2 == 0) {
                a[i] = new int[30];
            } else if(i >= 7 && i % 2 == 1) {
                a[i] = new int[31];
            }
        }

        System.out.println("請輸入年月日(YYYY MM DD):");
        int yy, mm, dd;
        yy = sc.nextInt();
        mm = sc.nextInt();
        dd = sc.nextInt();
        if(yy < 1)
            yy = Math.abs(yy) - 1;                          //解決西元前問題

        boolean isLeapYear;
        if(yy % 400 == 0)
            isLeapYear = true;
        else if(yy % 4 == 0 && yy % 100 != 0)
            isLeapYear = true;
        else
            isLeapYear = false;

        a[1] = isLeapYear ? new int [29]: new int [28];         //計算是否閏年

        if(mm < 1 || mm > 12) {
            System.out.println("月份錯誤");
            sc.close();
            return;
        }
        if(dd > a[mm - 1].length) {
            System.out.println("日期錯誤");
        } else {
            int count = 1;
            for(int i = 0; i < mm; i++) {
                for(int j = 0; j < a[i].length; j++) {
                    if(i == mm - 1 && j == dd - 1)
                        System.out.println("西元" + yy + "年,第" + count + "天");
                    else {
                    a[i][j] = count;
                    count++;
                    }
                }
            }
        }
        sc.close();
    }
}