9A - Die Roll.

#include<bits/stdc++.h>

using namespace std;

int main()

{

   int a,b;

   cin>>a>>b;

    int m=max(a,b);

    m=(6-m)+1;

   

    if(m%2==1)

    {

        if(m==3)

            cout<<"1/2"<<endl;

        else

            cout<<m<<"/"<<6<<endl;

    }

    else

    {

        if(m==4)

           cout<<"2/3"<<endl;

        else

           cout<<"1/"<<6/m<<endl;

    }

}