#include <bits/stdc++.h>
using namespace std;
constexpr int MOD = 1000000007;
template <class T>
inline bool chmin(T &a, T b) {
  if (a > b) {
    a = b;
    return true;
  }
  return false;
}
template <class T>
inline bool chmax(T &a, T b) {
  if (a < b) {
    a = b;
    return true;
  }
  return false;
}
void print(const std::vector<int> &v) {
  std::for_each(v.begin(), v.end(), [](int x) { std::cout << x << " "; });
  std::cout << std::endl;
}
int main() {
  int a, b;
  cin >> a >> b;
  if (a * b % 2 == 0) {
    cout << "Odd" << endl;
    return 0;
  }
  cout << "Even" << endl;
  return 0;
}
