int main(){
 int year,month,day,i,s,k,total;
 scanf("%d %d %d",&year,&month,&day);
  i=0;
  do{
    s=400*i;
    i=i+1;
        }
    while(s<year);
    s=s-400+1;   
 for(i=0,k=s;k<=year-1;k++){
    if((k%4==0&&k%100!=0)||(k%400==0)){
     i=i+1;
                          }
                    }
     s=365*(year-s)+i;
     total = 0;
	for(i=1;i<month;i++){ 
		if(i==1||i==3||i==5||i==7||i==8||i==10||i==12){
			total+=31;	
		}else if(i==4||i==6||i==9||i==11){
			total+=30;
		}else if(i==2){
			if((year%4==0&&year%100!=0)||(year%400==0)){
				total += 29;
			} else {
				total += 28;
			}	
		}
	}
      s=s+total+day;
      s=s%7;
      switch(s){
        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;
    }