#include <bits/stdc++.h>
using namespace std;
long long gcd(long long a, long long b) { return b ? gcd(b, a % b) : a; }
long long lcm(long long a, long long b) { return a * b / gcd(a, b); }
int main() {
  int n;
  std::cin >> n;
  long long first = n;
  long long second = n + 1;
  long long third = n * (n + 1);
  if (third != second && third != first && first != second) {
    if (first <= 1e9 && second <= 1e9 && third <= 1e9) {
      std::cout << first << " " << second << " " << third;
      return 0;
    }
  }
  cout << -1;
}
