package testaa;

import java.util.Scanner;

public class CountDay {
 public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.print("輸出今年是第幾年:");
        int year = scanner.nextInt();
        System.out.print("輸出今年是第幾月:");
        int month = scanner.nextInt();
        System.out.print("輸出今年是第幾日:");
        int day = scanner.nextInt();
        int daysum = 0; // 天數(shù)
        // 判斷 閏年計算方法 口訣:四年一閏,百年不閏,四百年再閏
        int[] month1; //聲明數(shù)組
        if (year % 400== 0||(year % 4== 0&&year%100!=0)) {
            month1 = new int[]{ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
        }else{
            month1 = new int[]{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
        }

        // 判斷這一天是第幾天
        for (int i = 1; i <= month; i++) {
            if ( i== 1) {
                daysum = day;
            } else {
                daysum += month1[i - 2];
            }
        }
        System.out.println("這一天是:"+year+"年"+month+"月"+day+"日");
        System.out.println("這一天是這一年的第" + daysum + "天！");
    }

}