def find_fraction_pairs(k): results = [] for x in range(1, k): y = k * x // (k - x) if y * (k - x) == k * x and x <= y: results.append(f"1/{k} = 1/{x} + 1/{y}") return results k = int(input()) results = find_fraction_pairs(k) for result in results: print(result)