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