void main()
{
	long year,mon,day,n,x,y;
	scanf("%d%d%d",&y,&mon,&day);
	year=y%200000;
	n=365*(year-1);
	switch(mon)
	{
	case 1:n=n+0;break;
	case 2:n=n+31;break;
	case 3:n=n+59;break;
	case 4:n=n+90;break;
    case 5:n=n+120;break;
	case 6:n=n+151;break;
	case 7:n=n+181;break;
	case 8:n=n+212;break;
	case 9:n=n+243;break;
	case 10:n=n+273;break;
	case 11:n=n+304;break;
    case 12:n=n+334;
	}
	n=n+day;
	if(mon<3) n=n+((year-1)/4)-((year-1)/100)+((year-1)/400);
	else n=n+(year/4)-(year/100)+(year/400);
	x=n%7;
	switch(x)
	{
	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;
	case 0:printf("Sun.");
	}
}