#include <iostream>
using namespace std;

int main() {
    string d91, d92;
    cin >> d91 >> d92;
    if ((d91 == "Sat" || d91 == "Sun") && d92 != "Sat" && d92 != "Sun") {
        cout << "8/32";
    } else if ((d91 == "Sat" || d91 == "Sun") && (d92 == "Sat" || d92 == "Sun")) {
        cout << "8/33";
    } else {
        cout << "8/31";
    }
    cout << endl;
    return 0;
}