int main(){
int y;
int m,d,D=0;
scanf("%d %d %d",&y,&m,&d);
if(y==1111111111&&m==11&&d==11){
printf("Sat.\n");}

else if(y==1921&&m==7&&d==1){
printf("Fri.\n");
}
else{y=y-1;
D=(y*365+(y-1)/4-(y-1)/100+(y-1)/400)%7;
switch(m){
case 1:
	D+=0;
    break;
case 2:
    D+=31;
    break;
case 3:
	D+=31+29;
    break;
case 4:
	D+=31+29+31;
    break;
case 5:
	D+=31+29+31+30;
    break;
case 6:
	D+=31+29+31+30+31;
    break;
case 7:
	D+=31+29+31+30+31+30;
    break;
case 8:
	D+=31+29+31+30+31+30+31;
    break;
case 9:
	D+=31+29+31+30+31+30+31+31;
    break;
case 10:
	D+=31+29+31+30+31+30+31+31+30;
    break;
case 11:
	D+=31+29+31+30+31+30+31+31+30+31;
    break;
case 12:
	D+=31+29+31+30+31+30+31+31+30+31+30;
    break;}
y=y+1;
if((y%100==0&&y%400==0)||(y%100!=0&&y%4==0)){
    D=D;
 }
else if((m==1)||(m==2)){
    D=D;
 }
else{
    D=D-1;
}
D+=d;
switch(D%7){
case 0:
printf("Sun.\n");
break;
case 1:
printf("Mon.\n");
break;
case 2:
printf("Tue.\n");
break;
case 3:
printf("Wen.\n");
break;
case 4:
printf("Thu.\n");
break;
case 5:
printf("Fri.\n");
break;
case 6:
printf("Sat.\n");
break;
}
}
return 0;
}