#include<stdio.h>
int main(){
	char w[7][10]={"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday" ,"Saturday"};
	int m[2][13]={0,31,28,31,30,31,30,31,31,30,31,30,31,
                  0,31,29,31,30,31,30,31,31,30,31,30,31};
    int yd[2]={365,366};
	long day;
	int year,month,week;
	int i,j,flag;
	while(scanf("%ld",&day)&&-1!=day){
		week=(day+6)%7;//得到星期几 
		year=2000;
		flag=(0==year%4&&year%100!=0)||0==year%400;//flag=1为闰年 
		++day;//题目说经过多少天，所以在这里先加1 
        for(;day>yd[flag];){//得到年份、剩余天数 
            day-=yd[flag]; 
            year++;
		    flag=(0==year%4&&year%100!=0)||0==year%400;
        }
		for(month=1;day>m[flag][month];++month){//得到月份和对应天数 
			day-=m[flag][month];
		}
		printf("%d-%02d-%02d %s\n",year,month,day,w[week]);//%02d很方便		
	}
}