#include <bits/stdc++.h>
using namespace std;

int main() {
    int a;
    cin >> a;  

   
    if (a == 2) cout << "MONDAY" << endl;
    else if (a == 3) cout << "TUESDAY" << endl;
    else if (a == 4) cout << "WEDNESDAY" << endl;
    else if (a == 5) cout << "THURSDAY" << endl;
    else if (a == 6) cout << "FRIDAY" << endl;
    else if (a == 7) cout << "SATURDAY" << endl;
    else if (a == 8) cout << "SUNDAY" << endl;

    return 0;
}