#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    
    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;
    }
}