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