#include <bits/stdc++.h>
using namespace std;
const long long int mod = 1e9 + 7;
const long double PI = 3.141592653589793;
const long long int INF = 9223372036854775807ll;
void solve() {
  int n;
  cin >> n;
  int x = n;
  int y = (n + 1);
  int z = n * (n + 1);
  if (x != y && y != z && z != x)
    cout << x << ' ' << y << ' ' << z << '\n';
  else
    cout << -1;
}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  int t = 1;
  while (t--) solve();
  return 0;
}
