int main()
{
	int year,month,day,a,day1=0,day2=0,k;
	scanf("%d%d%d",&year,&month,&day);
	a=(year-1)/4-(year-1)/100+(year-1)/400-(year-1)/10000+(year-1)/40000-(year-1)/1000000+(year-1)/4000000-(year-1)/100000000+(year-1)/400000000-(year-1)/10000000000+(year-1)/40000000000;
	day1=365*(year-1-a)+366*a;
	if (month==1) day2=day;
	if (month==2) day2=3+day;
	if (month==3) day2=3+day;
	if (month==4) day2=6+day;
	if (month==5) day2=1+day;
	if (month==6) day2=4+day;
	if (month==7) day2=6+day;
	if (month==8) day2=2+day;
	if (month==9) day2=5+day;
	if (month==10) day2=day;
	if (month==11) day2=3+day;
	if (month==12) day2=5+day;
	if ((((year%4==0)&&(year%100!=0))||(year%400==0))&&(month>2)) day2=day2+1;
	k=(day1+day2)%7;
	if (k==0) printf("Sun.\n");
	if (k==1) printf("Mon.\n");
	if (k==2) printf("Tue.\n");
	if (k==3) printf("Wed.\n");
	if (k==4) printf("Thu.\n");
	if (k==5) printf("Fri.\n");
	if (k==6) printf("Sat.\n");
	return 0;
}