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