int main(){
	long int year,month,day,a,b,c=0,i,d[12]={31,28,31,30,31,30,31,31,30,31,30,31};
	scanf("%ld %ld %ld",&year,&month,&day);
    for(;year>10000;)year=year-10000;
    a=year/4-year/100+year/400;
	if(year%4==0&&year%100!=0||year%400==0){
		a--;
		d[1]++;
	}
    b=(year-1)*365+a+day;
    for(i=0;i<month-1;i++)c+=d[i];
	c+=b;
	int e=c%7;
	if(e==1)printf("Mon.");
	else if(e==2)printf("Tue.");
	else if(e==3)printf("Wed.");
	else if(e==4)printf("Thu.");
	else if(e==5)printf("Fri.");
	else if(e==6)printf("Sat.");
	else printf("Sun.");
	return 0;
}
