#include <bits/stdc++.h>
using namespace std;
template <typename T>
bool chmax(T& a, const T& b) {
  return a < b ? (a = b, true) : false;
}
template <typename T>
bool chmin(T& a, const T& b) {
  return b < a ? (a = b, true) : false;
}
long long N;
const long long MAX = 1e9;
int main() {
  scanf("%lld", &N);
  long long x = N, y = N + 1, z = N * (N + 1);
  if (x != y && y != z && z != x && 1 <= x && x <= MAX && 1 <= y && y <= MAX &&
      1 <= z && z <= MAX) {
    printf("%lld %lld %lld\n", x, y, z);
  } else {
    printf("-1\n");
  }
  return 0;
}
