#include <bits/stdc++.h>   using namespace std;   int main() {     int y, w, x, counter = 0;     cin >> y >> w;     x = max(y, w);     for (int i = x; i <= 6; i++) {       counter++;     }     if (counter == 0)       cout <<  0/1 ;     else if (counter == 1)       cout <<  1/6 ;     else if (counter == 2)       cout <<  1/3 ;     else if (counter == 3)       cout <<  1/2 ;     else if (counter == 4)       cout <<  2/3 ;     else if (counter == 5)       cout <<  5/6 ;     else       cout <<  1/1 ;     return 0;   }   