int leap(long a)
{
	int z;
	if(((a%4==0)&&(a%100!=0))||(a%400==0)) z=1;
	else z=0;
return(z);
}
void main()
{
	long a0,a,s;
	int b,c,i;
	scanf("%d %d %d",&a0,&b,&c);
	int month[12]={31,28,31,30,31,30,31,31,30,31,30,31};
	a=a0%400;
	if (a==0) a=400;
	month[1]=28+leap(a);
	s=0;
	for(i=1;i<=a-1;i++) s=s+365+leap(i);
	for(i=1;i<=b-1;i++) s=s+month[i-1];
    s=s+c;
	switch(s%7)
	{
	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;
	}
}
