int runnian(long year)
{
	int p=0;
	if(!(year%4)&&year%100||!(year%400))
		p=1;
	return p;
}
int main()
{
	int month,day,j;
     long year;
	float total;
	scanf("%ld%d%d",&year,&month,&day);
		total=(year-1)*365+(year-1)/4-(year-1)/100+(year-1)/400;
		if(month<=2)
			total+=(month-1)*31+day;
		else
		{
			
				if(month==9||month==11)
					total+=(month-1)*30+month/2-1+day;
				else
					total+=(month-1)*30+month/2-2+day;		
			   if(runnian(year))
				   total+=1;	

		}
		j=(long)total%7;
		
		switch(j)
		{
		case 0:printf("Sun.\n");break;
		case 1:printf("Mon.\n");break;
		case 2:printf("Tue.\n");break;
		case 3:printf("Wed.\n");break;
		case 4:printf("Thu.\n");break;
		case 5:printf("Fri.\n");break;
		case 6:printf("Sat.\n");break;
		}
	
	return 0;
}
