#include <bits/stdc++.h>
using namespace std;
const long long N = 5e5 + 5;
const long long mod = 1e9 + 7;
void solve() {
  long long n;
  cin >> n;
  if (n == 1) {
    cout << -1 << endl;
    return;
  }
  cout << n << " " << n + 1 << " " << n * (n + 1) << endl;
}
int32_t main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  long long t = 1;
  while (t--) {
    solve();
  }
  return 0;
}
