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package test01;
import java.util.Scanner;

public class B1 {
	public static void main(String args[]) {
		DayandMonth ct = new DayandMonth();
		ct.days();
	}
}
class Chartype{
	Boolean A;
	private char B;
	String str;
	Scanner sc = new Scanner(System.in);
	public Chartype() {
		A = true;
	}
	public void work(){
		do {
			System.out.println("输入单个字符，回车退出：");
			str = sc.nextLine();
			if (str.equals("")) {
				A = false;
				break;
			}
			B = str.charAt(0);
			if (B >= 'a' && B <= 'z') {
				System.out.println("输入字符：" + B + "为小写字母");
			}else if (B >= 'A' && B <= 'Z') {
				System.out.println("输入字符：" + B + "为大写字母");
			}else if (B >= '0' && B <= '9') {
				System.out.println("输入字符：" + B + "为数字");
			}else {
				System.out.println("输入字符：" + B + "非法字符");
			}
		} while (A);
		sc.close();
	}
}
class DayandMonth{
	private int month,year;
	Scanner sc = new Scanner(System.in);
	private String str1;
	boolean choose = true;
	
	public void days() {
		do {
			System.out.println("请输入：");
			str1 = sc.nextLine();
			if (str1.equals("")) {
				choose = false;
				break;
			}
			if (month == 2) {
				if (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0)) {
					System.out.println(year + "是闰年" + month + "有29天");
				}else
					System.out.println(year + "不是闰年" + month + "有28天");
			}
				else if (month >= 1 &&  month <= 8) {
					System.out.println(year + "年  " + month + "月有  " + (30 + month % 2) + "天");
				}else
					System.out.println(year + "年  " + month + "月有  " + (31 - month % 2) + "天");
		} while (choose);
		sc.close();
	}
}