import java.util.Calendar;
import java.util.Scanner;
public class test3
{
public static void main(String[] args) {
Scanner scanner=new Scanner(System.in);
System.out.println("请输入年份和月份,以,隔开");
String s=scanner.next();
String[]s1=s.split(",");
Calendar calendar=Calendar.getInstance();
// 类型转换
int year=new Integer(s1[0]);
int month=new Integer(s1[1]);
// 月份从零开始
calendar.set(year ,month-1,1 );
int one= calendar.get(Calendar.DAY_OF_WEEK);
// calendar.getActualMaximum(Calendar.DAY_OF_MONTH)算出本月最多有几天
// c.getActualMaximum(Calendar.WEEK_OF_MONTH)几周
int days= calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
// 打印星期文字
Object[] obj = {"日","一","二","三","四","五","六"};
for (int i = 0; i < obj.length; i++) {
System.out.print(obj[i]+" ");
}
System.out.println();
// 空出的前几天打印空格
for (int i = 1; i <one ; i++) {
System.out.print(" ");
}
// 打印日期,注意one+i-1
for (int i = 1; i <=days ; i++) {
System.out.printf("%2d ",i);
if((one+i-1)%7==0)
{
System.out.println();
System.out.println();
}
}
}
}