int main(){
	int y,m,d,a,b,c,e,f,g;
	scanf("%d %d %d",&y,&m,&d);
	f=(y-1)/100;g=(y-1)/400;
	if((y>4)&&(y%4!=0)){a=(y-1)+y/4-f+g;}
  	     else if ((y>4)&&(y%4==0)&&(y!=100)){a=(y-1)+(y-1)/4-f+g;}
         else if(y<=4){a=y-1;}
		 else if(y==100){a=99*365+24;}
	
e=a;
    if(((m>=3)&&(y%4==0)&&(y%100!=0))||((m>=3)&&(y%400==0))){
	e=e+1;} 
b=e;
        if(m==1){b=b+d;}
        else if(m==2){b=b+31+d;}
        else if(m==3){b=b+31+28+d;}
        else if(m==4){b=b+31+28+31+d;}
        else if(m==5){b=b+31+28+31+30+d;}
        else if(m==6){b=b+31+28+31+30+31+d;}
        else if(m==7){b=b+31+28+31+30+31+30+d;}
        else if(m==8){b=b+31+28+31+30+31+30+31+d;}
        else if(m==9){b=b+31+28+31+30+31+30+31+31+d;}
        else if(m==10){b=b+31+28+31+30+31+30+31+31+30+d;}
        else if(m==11){b=b+31+28+31+30+31+30+31+31+30+31+d;}       
        else if(m==12){b=b+31+28+31+30+31+30+31+31+30+31+30+d;}
c=b;
if(c<=7){c=c;}
else if(c>7){c=c%7;}

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