int main()
{
	unsigned int y,m,d,r,f,h;
	unsigned int b=0,i;
	int a[12]={31,28,31,30,31,30,31,31,30,31,30,31};
	scanf("%d %d %d",&y,&m,&d);
	h=(y-1)%2800;
	for(i=1;i<=h;i++)
	{
	    if((i%4==0&&i%100!=0)||(i%400==0))
		{
			b+=1;
		}
	}
	r=(h+b)%7;
	if((y%4==0&&y%100!=0)||(y%400==0))
	{
		a[1]=29;
	}
	for(i=1;i<m;i++)
	{
		r+=a[i-1];
	}
	r+=d;
	f=r%7;
	switch (f)
	{
	case 0:
		printf("Sun.");
		break;
	case 1:
		printf("Mon.");
		break;
	case 2:
		printf("Tue.");
		break;
	case 3:
		printf("Wed.");
		break;
	case 4:
		printf("Thu.");
		break;
	case 5:
		printf("Fri.");
		break;
	case 6:
		printf("Sat.");
		break;
	}
	return 0;
}