#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, d, b;
  cin >> a >> b;
  if ((a * b * 10 / 2) == a * b / 2 * 10) {
    cout << "Even" << endl;
  } else if (a * b * 10 / 2 != a * b / 2 * 10) {
    cout << "odd" << endl;
  }
}
