#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
#define pb push_back
#define mp make_pair
#define rep(i,n) for(int i=0;i<(n);++i)
constexpr int mod=1000000007;
constexpr int mod1=998244353;
vector<int> dx={0,-1,0,1},dy={1,0,-1,0};
bool inside(int y,int x,int h,int w){
	if(y<h && y>=0 && x<w && x>=0) return true;
	return false;
}



int main(){
	cin.tie(0);
	ios::sync_with_stdio(false);
	string s,t;cin >> s >> t;
	char c1=s.at(0),c2=t.at(0);
	if(c1=='S' && c2!='S') cout << "8/32" << endl;
	else if(c1=='S' && c2=='S') cout << "8/33" << endl;
	else cout << "8/31" << endl;
}