#include <bits/stdc++.h>
int main(void) {
  using namespace std;
  long long a;
  long long b;
  cin >> a >> b;
  if (a * b % 2 == 1) {
    cout << "odd" << endl;
  } else {
    cout << "even" << endl;
  }
  long long min_n;
  return 0;
}
