E3-C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <ctype.h>
#include <time.h>
#pragma warning(disable:4996 6031)
int main(){
    long long n, year, month, day, hour, minute;
    //char input[64] = { 0 };
    long long monthdays[13] = { 31,28,31,30,31,30,31,31,30,31,30,31 };
    /*fgets(input, 63, stdin);
    sscanf(input, "%d", &n);*/
    scanf("%lld", &n);
    while(n--){
        //fgets(input, 63, stdin);
        //sscanf(input, "%d.%d.%d %d:%d", &year, &month, &day, &hour, &minute);
        scanf("%lld.%lld.%lld %lld:%lld", &year, &month, &day, &hour, &minute);
        hour += (minute / 60);
        minute %= 60;
        day += (hour / 24);
        hour %= 24;
        /*while(month > 12){
            month -= 12; year += 1;
        }*/
        year += (month / 12);
        month %= 12;
        if(month == 0){
            month = 12; year -= 1;
        }
        if((year % 400 == 0) || ((year % 4 == 0) && (year % 100 != 0))){
            monthdays[1] = 29;
        }
        else{
            monthdays[1] = 28;
        }
        while(day > monthdays[month-1]){
            day -= monthdays[month-1];
            month += 1;
            if(month == 13){
                month = 1; year += 1;
            }
            if((year % 400 == 0) || ((year % 4 == 0) && (year % 100 != 0))){
                monthdays[1] = 29;
            }
            else{
                monthdays[1] = 28;
            }
        }
        printf("%04lld.%02lld.%02lld %02lld:%02lld\n", year, month, day, hour, minute);
    }
    return 0;
}