#include <bits/stdc++.h>
using namespace std;
int main() {
  long n;
  long x, y, z;
  cin >> n;
  if (n != 1) {
    x = n;
    y = x + 1;
    if (x * y > pow(10, 9)) {
      cout << -1;
    } else {
      z = x * y;
      cout << x << " " << y << " " << z;
    }
  } else
    cout << -1;
  return 0;
}
