#include <bits/stdc++.h>
using namespace std;
const int MOD = 1e9 + 7;
const int N = 1e3 + 5;
const long long inf = 1e18 + 1;
const long double eps = pow(2, -52);
int main() {
  long long n, cnt = 0;
  cin >> n;
  if (n == 1) {
    cout << -1;
    return 0;
  }
  for (long long x = 1; x < 10005; x++) {
    for (long long y = 1; y < 10005; y++) {
      long long temp1 = x * y;
      long long temp2 = 2 * x * y - n * y - n * x;
      if (temp2 != 0 && temp2 > 0) {
        if (temp1 % temp2 == 0) {
          if (n * temp1 / temp2 <= 1000000000) {
            cout << x << " " << y << " " << n * temp1 / temp2;
            return 0;
          }
        }
      }
    }
  }
  cout << -1;
  return 0;
}
