//進階作業1.1
//		 //第一種方法
//		 String num = "123";
//		 StringBuffer reverse = new StringBuffer(num).reverse();
//		 System.out.println(reverse);
//		 //第二種方法
//		 int num2 = Integer.parseInt(num);
//		 String a = Integer.toString(num2 / 100);
//		 int b = num2 % 100;
//		 String c = Integer.toString(b / 10);
//		 String e = Integer.toString(b % 10);
//		 System.out.println(e+c+a);
//		//進階作業1.2
//		 //做租書店系統
//
//
		//進階作業2
		Calendar cal = Calendar.getInstance();
		int nowYear = cal.get(Calendar.YEAR);
		LocalDate date = LocalDate.now();
		int OnedayOfTheYear = date.getDayOfYear();
		System.out.println("從今年一月一號到現在總共有" + OnedayOfTheYear + "天");

		int[] notLeapYear={31,28,31,30,31,30,31,31,30,31,30,31};
		int inputYear;
		int inputMonth;
		int inputDay;
		int totalDaysOfYears = 0;
		int totalDaysOfMonth = 0;

		Scanner scannerYear = new Scanner(System.in);
		inputYear = scannerYear.nextInt();
		if(inputYear >0){
			if(inputYear < nowYear)
				totalDaysOfYears = ((nowYear-1) - inputYear)*365;
			else if(inputYear == nowYear)
				totalDaysOfYears = 0;
			else
				System.out.printf("沒有人的生日是在今年以後");
		}else{
			System.out.printf("不算西元前%d年，請重新輸入",inputYear);
		}

		Scanner scannerMonth = new Scanner(System.in);
		inputMonth = scannerYear.nextInt();
		if(inputMonth >0 && inputMonth <= 12){
		}else{
			System.out.println("月份只有到12月喔，請重新輸入");
		}

		Scanner scannerDay = new Scanner(System.in);
		inputDay = scannerDay.nextInt();
		if(inputDay >0 && inputDay <= 31){
		}else{
			System.out.println("一個月最多有31天喔，請重新輸入");
		}

		for(int month=0;month<=inputMonth-2;month++){
			totalDaysOfMonth += notLeapYear[month];
		}
		if(inputYear != nowYear)
			totalDaysOfMonth += inputDay;

		int dayOfBirthday =  OnedayOfTheYear + totalDaysOfYears - totalDaysOfMonth ;
		System.out.println("你已經活了" + dayOfBirthday + "天");