int main()
{
    int m,d; 
    unsigned int y,i,date=0;
	scanf("%d%d%d",&y,&m,&d); 
    y=y-(y/2800-1)*2800;
	for(i=1;i<y;i++)
	{
		if (i%100!=0 && i%4==0 || i%400 == 0)
			date+=2;
		else
			date+=1;
	}
    for(i=1;i<m;i++)
	{
		if (i==2)
		{
			if (y%100!=0 && y%4==0 || y%400 == 0)
				date+=1;
			continue;
		}
		if (i==4 || i==6 || i==9|| i==11)
		{
			date+=2;
			continue;
		}
		date+=3;
    } 
    date+=d;
    switch (date%7)
	{
	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;
}
