#include <iostream>

using namespace std;

int main()
{
    int P,Q;

    for(P = 1; P <= 4; P++)
    {
        for(Q = 1; Q <= 4; Q++)
        {
            if(P == 1 || Q == 1)
            {
                cout << P << "/" << Q << " ";
            }
            else if(P % Q != 0 && Q % P != 0)
            {
                cout << P << "/" << Q << " ";
            }
        }
    }
    return 0;
}