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