#include <bits/stdc++.h>
using namespace std;
int main() {
  int i, j;
  cout << "";
  cin >> i >> j;
  if (1 <= i and i <= 10000 and 1 <= j and j <= 10000) {
    if (i * j % 2 == 1) {
      cout << "odd";
    } else {
      cout << "even";
    };
  };
  return 0;
}
