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