#include <iostream>
#include <fstream>
#include <cmath>
using namespace std;
int main()
{
ifstream ifs ("input.txt");
int n;
ifs >> n;
ifs.close();
ofstream ofs ("output.txt");
cout<<n;
int a = abs(n);
switch (a) {
case 1:
ofs << "Monday";
break;
case 2:
ofs << "Tuesday";
break;
case 3:
ofs << "Wednesday";
break;
case 4:
ofs << "Thursday";
break;
case 5:
ofs << "Friday";
break;
case 6:
ofs << "Saturday";
break;
case 7:
ofs << "Sunday";
break;
default:
ofs << "error";
break;
}
ofs.close();
return 0;
}
