# include<iostream> using namespace std; int main(){ int k; cin>>k; int x,y; for(int x=k+1;x<=2*k;x++){ if(k*x%(x-k)==0){ y=k*x/(x-k); cout<<"1/"<<" "<<k<<" "<<"=1/"<<" "<<x<<" "<<"+1/"<<" "<<y<<endl; } } return 0; }