#include <bits/stdc++.h>
using namespace std;
int main() {
  long long int i, m, p;
  cin >> i >> m;
  p = i * m;
  if (p % 2 != 0) {
    cout << "odd" << endl;
  }
  if (p % 2 == 0) {
    cout << "even" << endl;
  }
}
