#include<iostream>
#include<cstdio>
#include<algorithm>
using namespace std;
inline int MAIN(){
freopen("annalistic.in","r",stdin);
freopen("annalistic.out","w",stdout);
int year,month,day;
scanf("%d%d%d",&year,&month,&day);
if(month<3){
year-=1;
month+=12;
}
char b[7][10]={"sunday","monday","tuesday","wednesday","thursday","friday","saturday"};
int c=int(year/100),y=year-100*c;
int w=int(c/4)-2*c+y+int(y/4)+(26*(month+1)/10)+day-1;
w=(w%7+7)%7;
cout<<b[w];
return 0;
}
int main(){;}
int helenkeller=MAIN();