#include <bits/stdc++.h>
using namespace std;
 
int main(){
	string S,T;
  	cin >> S >> T;
  	string a = "Sat";
  	string b = "Sun";
  	if((S == a || S == b) && (T != a && T != b)){
    	cout << "8/32" << endl;
    }else if((S == a || S == b) &&(T == a || T == b)){
    	cout << "8/33" << endl;
    }else{
    	cout << "8/31" << endl;
    }
}