#include <iostream>
#include <string>

using namespace std;
bool solve(string s){
	return s[0]=='S';
}
int main(){
	string s,t;
	cin >> s >> t;
	if(solve(s) && solve(t)){
		cout << "8/33" << endl;
	}else{
		cout << "8/32" << endl;
	}
}