
int main(){
    int year,mon,day,i,x=0,y=0,z=0,sum;
	scanf("%d%d%d",&year,&mon,&day);
	x=(year-1)+(year-1)/4-(year-1)/100+(year-1)/400;
	for(i=1;i<mon;i++){
		if(i==1||i==3||i==5||i==7||i==8||i==10||i==12){
			y+=31;
		}
		else if(i==4||i==6||i==9||i==10){
			y+=30;
		}
		else {
			if(year%400==0||((year%4==0)&&(year%100!=0))){
				y+=29;
			}
			else {
				y+=28;
			}
		}
	}
	z=day;
    sum=x+y+z;
	int ys=sum%7;
	if(ys==1){
		printf("Mon.");
	}
	else if(ys==2){
		printf("Tue.");
	}
	else if(ys==3){
		printf("Wed.");
	}
	else if(ys==4){
		printf("Thu.");
	}
	else if(ys==5){
		printf("Fri.");
	}
	else if(ys==6){
		printf("Sat.");
	}
	else {
		printf("Sun.");
	}


	return 0;
}
			




