class DateDemo {
private final static int LEAP[]={31,29,31,30,31,30,31,31,30,31,30,31};
private final static int IS_LEAP[]={31,28,31,30,31,30,31,31,30,31,30,31};
private final static String WEEKS[]={"星期天","星期一","星期二","星期三","星期四","星期五","星期六"};
private static boolean isLeap(int years)
{
	if(years%4==0&&years%100!=0)
		return true;
	else if(years%400==0)
		return true;
	else return false;
}
private static int addDays(int arr[],int month,int day)
{   int sum=0;
	for(int i=0;i<month-1;i++)
		sum+=arr[i];
	return sum+day;
		
}

private static int getDays(int year,int month,int day)
{   
	int sumDay=0;
	if(isLeap(year))
	{
		sumDay=addDays(LEAP,month,day);
	}
	else
	{
		sumDay=addDays(IS_LEAP,month,day);
	}
     return sumDay;
}
private static int getWeekDay(int year,int month,int day)
{
	int week;
	int sumDay=getDays(year,month,day);
	week=year-1+(year-1)/4-(year-1)/100+(year-1)/400+sumDay;
	
	return week%7;
}
public String[][] printCalc(int year,int month,int day)
{//printCalc(year,month,day,getWeekDay(year,month,day));
	int week=getWeekDay(year,month,day);
	String[][] cals=new String[6][7];
	int day1=getWeekDay(year,month,1);
	int size;
	int k1=1;
	if(isLeap(year))
		size=IS_LEAP[month-1];
	else
		size=LEAP[month-1];
	for(int i=0;i<day1;i++)
		cals[0][i]="";
	for(int j=day1;j<7;j++)
	{   
		
		cals[0][j]=k1+"";
		k1++;
	}
	for(int i=1;i<6;i++)
		for(int j=0;j<7;j++)
		{
			if(k1<=size)
				{
					cals[i][j]=k1+"";
					k1++;
				}
			else
				break;
		}
	return cals;
}
}