#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e9;
int main() {
  std::ios::sync_with_stdio(0);
  int n;
  cin >> n;
  long long int x, y, z;
  z = n;
  x = n + 1;
  y = n * (n + 1);
  if (x > maxn || y > maxn || z > maxn)
    cout << "-1" << endl;
  else if (x == y || x == z || y == z)
    cout << "-1" << endl;
  else {
    cout << x << " " << y << " " << z << endl;
  }
  return 0;
}
