#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  long long int x, y, z, i, j, k;
  if (n == 1) {
    cout << "-1";
    return 0;
  }
  x = n;
  y = n + 1;
  z = n * (n + 1);
  cout << x << " " << y << " " << z;
  return 0;
}
