#include<bits/stdc++.h> using namespace std; int x,y,k; int main(){ 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; }