#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  int a, b;
  cin >> a >> b;
  if ((a % 2 == 0) || (b % 2 == 0))
    cout << "even";
  else
    cout << "odd";
  return 0;
}
