
int main()
{
	long year,month,day,days=0;
	scanf("%ld %ld %ld",&year,&month,&day);
	days=( (year-1)%7+(year-1)/4-(year-1)/100+(year-1)/400 )%7;
	int i;
	for(i=1;i<month;i++)
	{
		if(i==1||i==3||i==5||i==7||i==8||i==10||i==12)
		{days+=31;}
		if(i==4||i==6||i==9||i==11)
		{days+=30;}
		if(i==2)
		{
			if(year%400==0||(year%4==0&&year%100!=0))
			{days+=29;}
			else{days+=28;}
		}
	}
	days=(days+day)%7;
	switch (days)
	{
		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;
		case 0:printf("Sun.\n");break;
	}
	return 0;
}