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