int main(){
	int i,w,m=0;
	int year,month,day,total=0;
	scanf("%d %d %d",&year,&month,&day);
	for(i = 1; i < month; i++){ 	
		if(i==1||i==3||i==5||i==7||i==8||i==10||i==12){
			total += 31;	
		} else if (i == 4 || i ==6 || i == 9 || i==11){
			total += 30;
		} else if(i == 2){
			if(year%400 == 0 ||(year%4==0 && year%100!=0)){
				total += 29;
			} else {
				total += 28;
			}	
		}
	}
	year=year-1;
	int n = year/4-year/100+year/400;
	total+=n*2+(year-n)+day;	
	w=total%7;
	if(w==1){printf("Mon.");}	
	else if(w==2){printf("Tue.");}	
	else if(w==3){printf("Wed.");}	
	else if(w==4){printf("Thu.");}	
	else if(w==5){printf("Fri.");}	
	else if(w==6){printf("Sat.");}
	else {printf("Sun.");}
	return 0;
}