#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(false);
  long long n;
  cin >> n;
  for (long long y = 2; y <= 10005; y++) {
    for (long long z = y + 1; z <= 10005; z++) {
      if (2 * y * z - n * y - n * z <= 0) continue;
      long long x = (n * y * z) / (2 * y * z - n * y - n * z);
      if ((n * y * z) % (2 * y * z - n * y - n * z) == 0 && x <= 1000000000 &&
          x != y && x != z && y != z) {
        cout << x << " " << y << " " << z << "\n";
        return 0;
      }
    }
  }
  cout << -1 << "\n";
  return 0;
}
