#include <bits/stdc++.h>   using namespace std;   const long long N = 5e5 + 5;   const long long mod = 1e9 + 7;   void solve() {     long long n;     cin >> n;     if (n == 1) {       cout << -1 << endl;       return;     }     cout << n <<     << n + 1 <<     << n * (n + 1) << endl;   }   int32_t main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     long long t = 1;     while (t--) {       solve();     }     return 0;   }   