#include <bits/stdc++.h>
using namespace std;
int main() {
  long long l, r;
  cin >> l >> r;
  while (l % 2) l++;
  if (l + 2 > r)
    cout << -1 << endl;
  else
    cout << l << " " << l + 1 << " " << l + 2 << endl;
  return 0;
}
