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

signed main(){
    string s,t;cin>>s>>t;
    int A=0;
    if(s=="Sun"||s=="Sat")A+=2;
    if(t=="Sun"||t=="Sat")A++;
    cout<<"8/3";
    if(A<=1)cout<<1<<endl;
    else cout<<A<<endl;
}