#include <bits/stdc++.h>
using namespace std;
int n;
int main() {
  cin >> n;
  if (n == 1) {
    cout << -1;
    return 0;
  }
  int div = -1;
  for (int i = 2; i <= sqrt(n) + 10; i++) {
    if (n % i == 0) {
      div = i;
      break;
    }
  }
  if (div == -1) div = n;
  cout << n << " " << (div + 1) * n << " " << (div + 1) * (n / div);
  return 0;
}
