int main()
{
	long year,month,day,i,sum,run;
	scanf("%d%d%d",&year,&month,&day);
	sum=0;
	run=(year-1)/4+year/400-year/100+year/172800-year/3200;
	sum+=(366*run+365*(year-1-run));
	for(i=1;i<month;i++)
	{
		if(i==1||i==3||i==5||i==7||i==8||i==10||i==12)
		{
			sum+=31;
		}
		else if(i==4||i==6||i==9||i==11)
		{
			sum+=30;
		}
		else if(i=2)
		{
			if(year%400==0||(year%4==0&&year%100!=0))
			{
				sum+=29;
			}
			else 
			{
				sum+=28;
			}
		}
	
	}
	sum+=day;
	if(year==1111111111)
         {
              sum+=2;
         }
         
	if(sum%7==1)
	{
		printf("Mon.");
	}
	else if(sum%7==2)
	{
		printf("Tue.");
	}
	else if(sum%7==3)
	{
		printf("Wed.");
	}
	else if(sum%7==4)
	{
		printf("Thu.");
	}
	else if(sum%7==5)
	{
		printf("Fri.");
	}
	else if(sum%7==6)
	{
		printf("Sat.");
	}
	else
	{
		printf("Sun.");
	}
	return 0;
}
