

int main(){
int year,month,day,total,i;
	scanf("%d %d %d",&year, &month, &day);
	total = 0;
	if(year>1111100000){year -= 1111100000;}
	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;
			}	
		}
	}
	total += day;		
for(i=1;i<year;i++)
{if(i%400 == 0 ||(i%4==0 && i%100!=0)){total += 2;}
else{total += 1;}}
if(total%7==1){printf("Mon.");}	
if(total%7==2){printf("Tue.");}	
if(total%7==3){printf("Wed.");}	
if(total%7==4){printf("Thu.");}	
if(total%7==5){printf("Fri.");}	
if(total%7==6){printf("Sat.");}	
if(total%7==0){printf("Sun.");}	
return 0;
		}
