int main(){
	int month,date,all=0,i,k=0,t;
	long year;
	int p[12]={31,28,31,30,31,30,31,31,30,31,30,31};
	scanf("%ld%d%d",&year,&month,&date);
	all=((year%7-1)*(365%7)+date-1)%7;
	if(month==1);
	else{
		for(i=0;i<month-1;i++){
		all=all+p[i]%7;
		}
	}
	
		k=(year-1)/4-(year-1)/100+(year-1)/400;
	    all=all+k;
	    if(((year%4==0&&year%100!=0)||year%400==0)&&month>2){
		   all=all+1;
		}
        t=all%7;
	    switch(t){
    	    case 0:
			    printf("Mon.\n");
			    break;
            case 1:
			    printf("Tue.\n");
			    break;
		    case 2:
			    printf("Wed.\n");
			    break;
            case 3:
			    printf("Thu.\n");
			    break;
		    case 4:
			    printf("Fri.\n");
			    break;
		    case 5:
			    printf("Sat.\n");
			    break;
		    case 6:
			    printf("Sun.\n");
			    break;
		}
	
	return 0;
}