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


signed main() {
  string S1, S2;
  cin >> S1 >> S2;
  
  bool fg1 = false;
  bool fg2 = false;
  if( S1 == "Sun" || S1 == "Sat" ) fg1 = true;
  if( S2 == "Sat" || S2 == "Sun" ) fg2 = true;
  if( fg1 == true && fg2 == true ){
    cout << "8/33" << endl;
  }else if(fg1 == true ){
    cout << "8/32" << endl;
  }else{
    cout << "8/31" << endl;
  }
}