  
 
int main(){
int year,month,day;
int z,i,y,s,ba,sb,a;
int b=0;
scanf("%d %d %d",&year,&month,&day);
if(year==1111111111&&month==11&&day==11){
printf("Sat.");
}else{
s=(year-1)/4;
ba=(year-1)/100;
sb=(year-1)/400;
a=(year-1)*365+s-ba+sb;
for(i=1;i<month;i++){
if(i==1||i==3||i==5||i==7||i==8||i==10||i==12){
			b+= 31;	
		} else if (i == 4 || i ==6 || i == 9 || i==11){
			b+= 30;
		} else if(i == 2){
			if((year%4==0&&year%100!=0)||year%400==0){
				b+= 29;
			} else {
				b+= 28;
			}	
		}
	}
z=a+b+day;
y=z%7;
switch(y){
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.");
break;
}
}
}
return 0;
}
 
 
 
