#include <iostream>
#include <ctime>
#include <stdlib.h>
using namespace std;
void getString(int year, int mon, int mday, int hour, int min, int sec)
{
    cout << year << '-'
         << mon << '-'
         <<  mday << ' '
         <<  hour << ':'
         <<  min << ':'
         <<  sec
         << endl;
}
int main (int argc, char *argv[])
{
    time_t t = time(0);
    struct tm * now = localtime( & t );
    int year = now->tm_year + 1900;
    int mon  = now->tm_mon + 1;
    int mday = now->tm_mday;
    int hour = now->tm_hour;
    int min  = now->tm_min;
    int sec  = now->tm_sec;
	if (argc < 3)
	{
		getString(year, mon, mday, hour, min, sec);
		cerr << "You need enter type operation and range" << endl;
		cerr << "Ex: setyear +1" << endl;
	} else {

		if (argv[1] == "setyear")
		{
			if (argv[2] == "+")
			{
				year = (year + atoi(argv[3]));
			} else {
				year = (year - atoi(argv[3]));
			}
			getString(year, mon, mday, hour, min, sec);
		}
		if (argv[1] == "setmon")
		{
			if (argv[2] == "+")
			{
				mon = (mon + atoi(argv[3]));
			} else {
				mon = (mon - atoi(argv[3]));
			}
			getString(year, mon, mday, hour, min, sec);
		}
		if (argv[1] == "setmday")
		{
			if (argv[2] == "+")
			{
				mday = (mday + atoi(argv[3]));
			} else {
				mday = (mday - atoi(argv[3]));
			}
			getString(year, mon, mday, hour, min, sec);
		}
		if (argv[1] == "sethour")
		{
			if (argv[2] == "+")
			{
				hour = (hour + atoi(argv[3]));
			} else {
				hour = (hour - atoi(argv[3]));
			}
			getString(year, mon, mday, hour, min, sec);
		}
		if (argv[1] == "setmin")
		{
			if (argv[2] == "+")
			{
				min = (min + atoi(argv[3]));
			} else {
				min = (min - atoi(argv[3]));
			}
			getString(year, mon, mday, hour, min, sec);
		}
		if (argv[1] == "setsec")
		{
			if (argv[2] == "+")
			{
				sec = (sec + atoi(argv[3]));
			} else {
				sec = (sec - atoi(argv[3]));
			}
			getString(year, mon, mday, hour, min, sec);
		}
	}
	return 0;
}