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