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