int main() {
  int A, B;
  cin >> A >> B;

  if (A==1 && B==1)
    cout << "Odd" << endl;
  else if (A * B / 2 == A / 2 * B && B != 1) 
    cout << "even" << endl;
  else if (A * B / 2 == B / 2 * A && A != 1)
    cout << "even" << endl;
  else if (A==1 && B/2*2 == B)
    cout << "even" << endl;
  else if (B==1 && A/2*2==A)
    cout << "even" << endl;
  else 
    cout << "odd" << endl;
}