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

int main() {
  string S1, S2; cin >> S1 >> S2;
  int ans = 31;
  if(S1 == "Sat" or S1 == "Sun"){
    ans++;
  }
  if(ans == 32 and (S2 == "Sat" or S2 == "Sun")){
    ans++;
  }
  cout << "8/" << ans << endl;
}