> #include<stdio.h>
> 
> int days(int,int,int,int=1,int=1,int=2000);
> const int mon[12]={31,28,31,30,31,30,31,31,30,31,30,31},
> 			leapmon[12]={31,29,31,30,31,30,31,31,30,31,30,31};
> 
> void main()
> {
> 	int number,i,claYear,claMonth,claDay,claHour,claMinute,claSecond,meDay,meMonth,meYear,meHour,meMinute,meSecond;
> 	double day,conv;
> 	char a[9],b[12];
> 	scanf("%d",&number);
> 	for(i=0;i<number;i++)
> 	{
> 		scanf("%s%s",a,b);
> 		sscanf(a,"%d:%d:%d",&claHour,&claMinute,&claSecond);
> 		sscanf(b,"%d.%d.%d",&claDay,&claMonth,&claYear);
> 		day=days(claDay,claMonth,claYear);
> 		day+=claHour/24.0+claMinute/1440.0+claSecond/86400.0;
> 		meDay=day;
> 		conv=10*(day-m);
> 		meHour=conv;
> 		conv=100*(conv-meHour);
> 		meMinute=conv;
> 		meSecond=100*(conv-meMinute);
> 		meMonth=meDay/100;
> 		meDay%=100;
> 		meYear=meMonth/10;
> 		meMonth%=10;
> 		meDay++;
> 		meMonth++;
> 		printf("%d:%d:%d %d.%d.%d\n",meHour,meMinute,meSecond,meDay,meMonth,meYear);
> 	}
> }
> 
> int days(int day2,int month2,int year2,int day1,int month1,int year1)
> {
> 	int day,i;
> 	day=(year2-year1)*365;
> 	day+=(year2-year1)/4;
> 	for(i=year1;i<year1+(year2-year1)%4;i++)
> 		if(i%4==0)
> 			day++;
> 	day-=(year2-1)/100-(year1-1)/100;
> 	day+=(year2-1)/400-(year1-1)/400;
> 	if(year2%4==0 && (year2%400==0 || year2%100!=0))
> 		for(i=0;i<(month2-1);i++)
> 			day+=leapmon[i];
> 	else
> 		for(i=0;i<(month2-1);i++)
> 			day+=mon[i];
> 	if(year1%4==0 && (year1%400==0 || year1%100!=0))
> 		for(i=0;i<(month1-1);i++)
> 			day-=leapmon[i];
> 	else
> 		for(i=0;i<(month1-1);i++)
> 			day-=mon[i];
> 	day+=day2-day1;
> 	return day;
> }