#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using P = pair<int, int>;
int main() {
  int a, b;
  cin >> a >> b;
  if (a * b / 2 == 0) {
    cout << "Even" << endl;
  } else {
    cout << "odd" << endl;
  }
  return 0;
}
