#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using g = vector<vector<int>>;
int di[] = {0, -1, 0, 1};
int dj[] = {1, 0, -1, 0};
int main() {
  std::ios::sync_with_stdio(false);
  int a, b;
  cin >> a >> b;
  if (a * b % 2 == 0) {
    cout << "even" << endl;
  } else {
    cout << "odd" << endl;
  }
  return 0;
}
