#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b;
  cin >> a, b;
  if (a % 2 == 1 || b % 2 == 1) {
    cout << "odd";
  } else if (a % 2 == 0 && b % 2 == 0) {
    cout << "even";
  }
}
