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