
int f(unsigned int year,int month,int day)
{
	int t=0;
	

	if(year%4 == 0 && year%100 !=0 || year%400 == 0) t=1;
	int monthday[13]={0,31,28+t,31,30,31,30,31,31,30,31,30,31};

	int summonth=0;
	int sum=0;

	int i;
	for(i=0;i<month;i++) 
	{
		summonth+=monthday[i];
	}
	sum=summonth+day;

    return sum;

}


int main()
{

	unsigned int year,month,day;
	scanf("%d %d %d",&year,&month,&day);

	int i;
	unsigned int  sumyear=0;
	sumyear+=(year-1)/4*(1*4+1)-(year-1)/100+(year-1)/400;
    sumyear+=(year-1)%4*1;
	
	unsigned int  total;
	total=sumyear+f(year,month,day);

	int week;
	week=total%7;
	switch(week){
	case 1:printf("Mon.");break;
	case 2:printf("Tue.");break;
	case 3:printf("Wed.");break;
	case 4:printf("Thu.");break;
	case 5:printf("Fri.");break;
	case 6:printf("Sat.");break;
	case 0:printf("Sun.");break;
	}

    return 0;

}