#include <bits/stdc++.h>
using namespace std;
long long int m = 1000000007;
int size = 1000004;
bool mo(long long int n) {
  int t = 0;
  while (n) {
    if (n % 10 == 3) t++;
    n = n / 10;
  }
  if (t >= 3)
    return true;
  else
    return false;
}
int main() {
  long long int n;
  cin >> n;
  if (n == 1) {
    cout << -1 << endl;
    return 0;
  }
  cout << n << " " << n + 1 << " " << n * (n + 1) << endl;
  return 0;
}
