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