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