#include <iostream>
 using namespace std;
 ];
 ];
 int main()
 {
     int k,cnt;
     while(cin>>k)
     {
         cnt=;
         ;y<=*k;y++)
         {
              )  )
             {
                 X[cnt]=k*y/(y-k);
                 Y[cnt]=y;
                 cnt++;
             }
         }
         cout<<cnt<<endl;
         ;i<cnt;i++)
             cout<<"1/"<<k<<" = 1/"<<X[i]<<" + 1/"<<Y[i]<<endl;
     }
     ;
 }