#include<iostream>
#include<iomanip>

using namespace std;

bool isleap(int num)
{
	if(num%400==0)
		return true;
	if(num%100==0)
		return false;
	if(num%4==0)
		return true;
	return false;
}

void date(int num)
{
    int year=2000;
    int month=1;
    int day=1;
    int weekday=6;

	while(num)
	{
		while(1)
		if(num>365&&isleap(year)==false)
		{
			year+=1;
			num-=365;
			weekday+=1;
			if(weekday>7)
				weekday-=7;
		}
		else if(num>366&&isleap(year)==true)
		{
			year+=1;
			num-=366;
			weekday+=2;
			if(weekday>7)
				weekday-=7;
		}
		else break;

		weekday++;
		if(weekday==8)
			weekday-=7;

		day+=1;
		if(month==2)
		{
			if(isleap(year)==false&&day==29)
			{
				day-=28;
				month+=1;
			}
			else if(isleap(year)==true&&day==30)
			{
				day-=29;
				month+=1;
			}
		}
		else if(month==4||month==6||month==9||month==11)
		{
			if(day==31)
			{
				day-=30;
				month+=1;
			}
		}
		else if(month==1||month==3||month==5||month==7||month==8||month==10||month==12)
		{
			if(day==32)
			{
				day-=31;
				month+=1;
			}
		}

		if(month==13)
		{
			month-=12;
			year+=1;
		}

		num--;
	}

	cout<<setw(4)<<setfill('0')<<year;
	cout<<"-";
	cout<<setw(2)<<setfill('0')<<month;
	cout<<"-";
	cout<<setw(2)<<setfill('0')<<day;
	cout<<" ";

	if(weekday==1)cout<<"Monday"<<endl;
	if(weekday==2)cout<<"Tuesday"<<endl;
	if(weekday==3)cout<<"Wednesday"<<endl;
	if(weekday==4)cout<<"Thursday"<<endl;
	if(weekday==5)cout<<"Friday"<<endl;
	if(weekday==6)cout<<"Saturday"<<endl;
	if(weekday==7)cout<<"Sunday"<<endl;
}

int main()
{
	int num;
	cin>>num;
	while(num!=-1)
	{
		date(num);
		cin>>num;
	}

	return(0);
}