#include<bits/stdc++.h> 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; }