
int main()
{
	int y,m,d,i;
	int a[12]={31,28,31,30,31,30,31,31,30,31,30,31};
	int b[12]={31,29,31,30,31,30,31,31,30,31,30,31};
	long r,p;
	long sum1=0,sum2=0,sum3=0;
	scanf("%d%d%d",&y,&m,&d);
	r=((y-1)/4-(y-1)/100+(y-1)/400)%7;
	p=(y-1-r)%7;
	sum1=r*366+p*365;
    if((y%4==0&&y%100!=0)||y%400==0)
	{for(i=0;i<m-1;i++)	
	sum2=sum2+b[i];}
	else
	{for(i=0;i<m-1;i++)
	sum2=sum2+a[i];}
	sum3=sum1+sum2+d;

	if(sum3%7==1)
		printf("Mon.");
	if(sum3%7==2)
		printf("Tue.");
	if(sum3%7==3)
		printf("Wed.");
	if(sum3%7==4)
		printf("Thu.");
	if(sum3%7==5)
	    printf("Fri.");
	if(sum3%7==6)
		printf("Sat.");
	if(sum3%7==0)
		printf("Sun.");
	return 0;
}
