#include <bits/stdc++.h>
using namespace std;
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;
}
