
int main(){
	int year,yea,month,day,sum,n,i;
	sum=0;
	scanf("%d%d%d",&year,&month,&day);
	if  (year>=400)
	{
		yea=year;
		while(yea>=400)
	{
	yea=yea-400;
	sum=5;	
	}

	for(i=0;i<yea;i++)
	{
		if(((i%4==0)&&(i%100!=0))||(i%400==0))
			sum=sum+366;
		else
			sum=sum+365;
	}
	}
else
{
		for(i=1;i<year;i++)
	{
		if(((i%4==0)&&(i%100!=0))||(i%400==0))
			sum=sum+366;
		else
			sum=sum+365;
	}


}





	for(i=1;i<month;i++)
	{
		if((i==1)||(i==3)||(i==5)||(i==7)||(i==8)||(i==10)||(i==12))
			sum=sum+31;
		if((i==4)||(i==6)||(i==9)||(i==11))
			sum=sum+30;
		if(i==2)
		{	
			if(((year%4==0)&&(year%100!=0))||(year%400==0))
					sum=sum+29;
			else   sum=sum+28;
		}
	}
	sum=sum+day;
	n=sum%7;
	switch(n){
		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;
}
