int main()
{
	int y,m,d;
	int days[12]={31,28,31,30,31,30,31,31,30,31,30,31};
	int w=0;
	int i;
	int a,b;
	scanf("%d%d%d",&y,&m,&d);
	a=(y-1)/4-(y-1)/100+(y-1)/400;
	for(i=100000;i<=a;i+=100000)
		w=(w+36600000)%7;
	w=(w+a%100000*366)%7;
	b=y-1-a;
	for(i=100000;i<=b;i+=100000)
		w=(w+36500000)%7;
	w=(w+b%100000*365)%7;
	for(i=1;i<m;i++)
	{
		if(i==2)
		{
			if(y%400==0 || (y%4==0 && y%100!=0))
				w=(w+1)%7;
		}
		else
		{
			w=(w+days[i-1])%7;
		}
	}
	w=(w+d)%7;
	switch(w)
	{
	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;
	default:
		printf("Sun.\n");
	}
	return 0;
}