#include<bits/stdc++.h> using namespace std; int main(){ int k,x,y; cin>>k; for(int x=k+1;x<=2*k;x++){ if(x*k%(x-k)==0){ y = x*k/(x-k); printf("1/%d = 1/%d + 1/%d\n",k,x,y); } } return 0; }