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

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    
    string s1, s2;
    cin >> s1 >> s2;
    if(s1 == "Sat" || s1 == "Sun") {
        if(s2 == "Sat" || s2 == "Sun") {
            cout << "8/33" << endl;
        }else {
            cout << "8/32" << endl;
        }
    }else {
        cout << "8/31" << endl;
    }
}