#include<stdio.h>
int main(void)
{
	int x;
	int j;
	printf("1.查询某年某月是星期几，并判断是否为闰年\n");
	printf("2.打印单列日历\n");
	printf("3.打印双列日历\n");
	printf("4.退出\n");
	scanf("%d",&x);
	int year;
	int month;
	int day;
	int week;
	int days[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};
	int c;
	int y;
	int k=1;
	int a=2;
	int dayss=1;
	switch(x)
	{
    case 1:
    	scanf("%d-%d-%d",&year,&month,&day);
		if(((year%4==0)&&(year%100!=0))||(year%400==0))
		{
			days[2]=29;
			printf("闰年\n");
		} else printf("平年\n");
		if((month==1&&day<=31)||(days[2]==29&&month==2&&day<=29)||(days[2]==28&&month==2&&day<=28)||(month==3&&day<=31)||(month==4&&day<=30)||
		(month==5&&day<=31)||(month==6&&day<=30)||(month==7&&day<=31)||(month==8&&day<=31)||(month==9&&day<=30)||(year!=1582&&month==10&&day<=31)||(month==11&&day<=30)||
		(month==12&&day<=31)||(year==1582&&month==10&&day!=5&&day!=6&&day!=7&&day!=8&&day!=9&&day!=10&&day!=11&&day!=12&&day!=13&&day!=14))
		{
		if (month == 1 || month == 2)
			year--, month += 12;
		 c = year / 100;
		 y = year - c * 100;
		if(year>1582)
			week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + day - 1;
		else if(year==1582&&month>10)
        	week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + day - 1;
		else if((year==1582&&month==10)&&day>4)
			week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + day - 1;
		else 	
			week=(day+1+2*month+3*(month+1)/5+year+year/4+5)%7;
		if(month==13||month==14)
			year++;
		while(week < 0)
			week += 7;
		week %= 7;
		switch (week)
		{
			case 1:printf("星期一\n"); break;
			case 2:printf("星期二\n"); break;
			case 3:printf("星期三\n"); break;
			case 4:printf("星期四\n"); break;
			case 5:printf("星期五\n"); break;
			case 6:printf("星期六\n"); break;
			case 0:printf("星期天\n"); break;
		}break;
		}
		else printf("输入错误");
	case 2:
		scanf("%d-%d-%d",&year,&month,&day);
		if((month==1&&day<=31)||(days[2]==29&&month==2&&day<=29)||(days[2]==28&&month==2&&day<=28)||(month==3&&day<=31)||(month==4&&day<=30)||
				(month==5&&day<=31)||(month==6&&day<=30)||(month==7&&day<=31)||(month==8&&day<=31)||(month==9&&day<=30)||(year!=1582&&month==10&&day<=31)||(month==11&&day<=30)||
				(month==12&&day<=31)||(year==1582&&month==10&&day!=5&&day!=6&&day!=7&&day!=8&&day!=9&&day!=10&&day!=11&&day!=12&&day!=13&&day!=14))
			{
		for( j=1;j<=12;j++)
		{
			month=j;
			printf("\n");
			printf("%d 月\n",month);
		    printf("周日 周一 周二 周三 周四 周五 周六\n");
		    if (month == 1 || month == 2)
				year--, month += 12;
			 c = year / 100;
			 y = year - c * 100;
			if(year>1582)
				week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + 1 - 1;
			else if(year==1582&&month>10)
				week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + 1 - 1;
			else if((year==1582&&month==10)&&day>4)
				week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + 1 - 1;
			else 
				week=(1+1+2*month+3*(month+1)/5+year+year/4+5)%7;
			if(month==13||month==14)
				year++;
			while(week < 0)
				week += 7;
			week %= 7;
			if(year==1582&&month==10)
			   week=1;
			switch (week)
			{
				case 1:printf("     "); break;
				case 2:printf("          "); break;
				case 3:printf("               "); break;
				case 4:printf("                    "); break;
				case 5:printf("                         "); break;
				case 6:printf("                              "); break;
			}
			for(day=1;day<=days[j];day++)
			{
				month=j;
				while((year==1582&&month==10)&&(day==5||day==6||day==7||day==8||day==9||day==10||day==11||day==12||day==13||day==14))
				  day++;
				if (month == 1 || month == 2)
					year--, month += 12;
			        c = year / 100;
			    	y = year - c * 100;
				if(year>1582)
					week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + day - 1;
				else if(year==1582&&month>10)
					week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + day - 1;
				else if((year==1582&&month==10)&&day>4)
					week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + day - 1;
				else 	
					week=(day+1+2*month+3*(month+1)/5+year+year/4+5)%7;
				if(month==13||month==14)
					year++;	
				while(week < 0)	
					week += 7;
				week %= 7;
				if(week==6)
					printf("%2d\n",day);
				else
					printf("%2d   ",day);									
		    }
		}break;
			}else printf("输入错误");
	case 3:
				scanf("%d-%d-%d",&year,&month,&day);
				if((month==1&&day<=31)||(days[2]==29&&month==2&&day<=29)||(days[2]==28&&month==2&&day<=28)||(month==3&&day<=31)||(month==4&&day<=30)||
	      			(month==5&&day<=31)||(month==6&&day<=30)||(month==7&&day<=31)||(month==8&&day<=31)||(month==9&&day<=30)||(year!=1582&&month==10&&day<=31)||(month==11&&day<=30)||
					(month==12&&day<=31)||(year==1582&&month==10&&day!=5&&day!=6&&day!=7&&day!=8&&day!=9&&day!=10&&day!=11&&day!=12&&day!=13&&day!=14))						
					{	
						for( j=1;j<=12;j+=2)
						{day=1;
							month=j;	
					    	printf("\n");
					    	printf("%d 月                                %d月\n",month,month+1);
						    printf("周日 周一 周二 周三 周四 周五 周六  周日 周一 周二 周三 周四 周五 周六\n");
							   if (month == 1 || month == 2)
								year--, month += 12;
								 c = year / 100;
								 y = year - c * 100;
							if(year>1582)
									week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + 1 - 1;
							else if(year==1582&&month>10)
									week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + 1 - 1;
							else if((year==1582&&month==10)&&day>4)
									week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + 1 - 1;
							else 
									week=(1+1+2*month+3*(month+1)/5+year+year/4+5)%7;
							if(month==13||month==14)
									year++;
							while(week < 0)
									week += 7;
								    week %= 7;
							if(year==1582&&month==10)
								   week=1;
							switch (week)
								{
									case 1:printf("     "); break;
									case 2:printf("          "); break;
									case 3:printf("               "); break;
									case 4:printf("                    "); break;
									case 5:printf("                         "); break;
									case 6:printf("                              "); break;
								}
							
							   
							for(;day<=days[k];day++)
								{
									month=k;
								while((year==1582&&month==10)&&(day==5||day==6||day==7||day==8||day==9||day==10||day==11||day==12||day==13||day==14))
									  day++;
								if (month == 1 || month == 2)
										year--, month += 12;
								        c = year / 100;
								    	y = year - c * 100;
								if(year>1582)
										week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + day - 1;
								else if(year==1582&&month>10)
										week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + day - 1;
								else if((year==1582&&month==10)&&day>4)
										week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + day - 1;
								else 	
										week=(day+1+2*month+3*(month+1)/5+year+year/4+5)%7;
								if(month==13||month==14)
										year++;	
								while(week < 0)	
										week += 7;
									week %= 7;
								if(week!=6)		
										printf("%2d   ",day);
								else
									{
									printf("%2d    ",day);
								for( ;a<=12;a+=2)
								{
									month=a;
							   if (month == 1 || month == 2)
									year--, month += 12;
									 c = year / 100;
									 y = year - c * 100;
								if(year>1582)
														week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + 1 - 1;
												else if(year==1582&&month>10)
														week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + 1 - 1;
												else if((year==1582&&month==10)&&day>4)
														week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + 1 - 1;
												else 
														week=(1+1+2*month+3*(month+1)/5+year+year/4+5)%7;
												if(month==13||month==14)
														year++;
												while(week < 0)
														week += 7;
													week %= 7;
												if(year==1582&&month==10)
													   week=1;
												switch (week)
													{
														case 1:printf("       "); break;
														case 2:printf("            "); break;
														case 3:printf("                 "); break;
														case 4:printf("                      "); break;
														case 5:printf("                           "); break;
														case 6:printf("                                "); break;
													}}
											for(;dayss<=days[a];dayss++)
													{
														month=a;
													while((year==1582&&month==10)&&(dayss==5||dayss==6||dayss==7||dayss==8||dayss==9||dayss==10||dayss==11||dayss==12||dayss==13||dayss==14))
														  dayss++;
													if (month == 1 || month == 2)
															year--, month += 12;
													        c = year / 100;
													    	y = year - c * 100;
													if(year>1582)
															week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + dayss - 1;
													else if(year==1582&&month>10)
															week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + dayss - 1;
													else if((year==1582&&month==10)&&day>4)
															week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + dayss - 1;
													else 	
															week=(dayss+1+2*month+3*(month+1)/5+year+year/4+5)%7;
				
													if(month==13||month==14)
															year++;	
													while(week < 0)	
															week += 7;
														week %= 7;
													if(week==6)
															{printf("%2d\n",dayss);continue;}
													else
															printf("%2d   ",dayss);									
												    }
																
							    }
							}
							}
			break;
		case 4: 
		break;
		default: printf("输入错误");
			break;
	}
	}
	return 0;
}