#include <bits/stdc++.h>
using namespace std;
#define REP(i,a) for(int i = 0; i < (a); i++)
#define ALL(a) (a).begin(),(a).end()
typedef long long ll;
typedef pair<int, int> P;
const int INF = 1e9;
const int MOD = 1e9 + 7;

signed main(){
    string s1,s2;
    cin >> s1 >> s2;
    if(s1 == "Sat" || s1 == "Sun"){
        s1 = "S";
    }
    if(s2 == "Sat" || s2 == "Sun"){
        s2 = "S";
    }
    if(s1 == "S" && s2 != "S"){
        cout << "8/32" << endl;
    }else if(s1 == "S" && s2 == "S"){
        cout << "8/33" << endl;
    }else{
        cout << "8/31" << endl;
    }
}