#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for (int i=0; i<(n); i++)
#define Rep(i,init,n) for (int i=init; i<(n); i++)
using ll = long long;
using P = pair<int, int>;
using vi = vector<int>;
using vvi = vector<vi>;
using Graph = vvi;

int main(){
  int n;
  cin >> n;
  Rep(a,1,n+1){
    Rep(b,1,n+1){
      Rep(c,1,n+1){
        if((a|b)==(b|c) && (b|c)==(c|a) && (c|a)==n && (a^b^c)==0){
          cout << a << " " << b << " " << c << endl;
          return 0;
        }
      }
    }
  }
  cout << "-1 -1 -1" << endl;
}