#include<stdio.h>

//判断闰年
void f(year)
{
    int year,day;
    if(year%4==0&&year%100!=0||year%400==0)
    return 1;
    else
    return 0;
}

void max_day(int year,int month)
{
    int month_day[12]={31,28,31,30,31,30,31,31,30,31,30,31};
    if(f(year)==1)
    mouth[1]=29;
    return month_day[month-1];
}

//year总天数
void  max_day(int year,int month,int day)
{
	int sum=0,i;
	for(i=1;i<month;i++)
	{
	    sum+=max_day(i);
    }
    sum+=day;
	return sum;
}


//星期几 
void Weekday(int year,int month,int day)
{
	int count,i,year_day,weekday;
	for(i=1;i<year;i++)    //总天数 
	{
		if(f(i)==1)
		year_day=366;
		else
		year_day=365;
		count+=year_day;
	}
	count+=sum;
	weekday=count%7;
	return weekday;
}
//输出星期 
void output_week(int year,int month,int day)
{
	int weekday;
	Weekday(year,month,day);
	switch(weekday)
	{
		case 0:
		    printf("%d/%d/%d是星期天\n",year,month,day);
		    break;
		case 1:
		    printf("%d/%d/%d是星期一\n",year,month,day);
		    break;
		case 2:
		    printf("%d/%d/%d是星期二\n",year,month,day);
		    break;
		case 3:
		    printf("%d/%d/%d是星期三\n",year,month,day);
		    break;
		case 4:
		    printf("%d/%d/%d是星期四\n",year,month,day);
		    break;
		case 5:
		    printf("%d/%d/%d是星期五\n",year,month,day);
		    break;
		case 6:
		    printf("%d/%d/%d是星期六\n",year,month,day);
		    break;
	}
}

//年历
void calendar(int year)
{
	int i,j,k,l;
	for(i=1;i<=12;i++)
	{
		printf("%d\n",i);
		printf("日 一 二 三 四 五 六 \n")；
		for(j=0;j<weekday;j++)      //开始位置 
		     printf("  ") ;
		     l=1;
		for(k=1;k<max_day(l);k++) 
		{
			l++;
			printf("%2d",k);
			if((k+weekday)%7==0)
			   printf("\n");
		 
		    return 0;
		}
		
		return 0;
	}
}


void main()
{
	
//开始输出
printf("--------------------------选择服务--------------------------") ；
printf("          1.日历显示")；
printf("          2.日期查询")；
printf("          3.距今多少天")；
printf("          4.退出")；
printf("--------------------------选择服务--------------------------") ；

int n,year,month,day;
scanf("%d",&n);
switch (n)
{
	case 1:
		scanf("%d",year);
		calendar(year);
}