#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using vi = vector<int>;
const int mod = 1e9 + 7;
const long double pi = 3.141592653589793238462643383279502884197;
const long double eps = 1e-7;
int main() {
  int a, b;
  cin >> a >> b;
  if ((a * b) % 2 == 0) {
    cout << "Odd" << endl;
  } else {
    cout << "Even" << endl;
  }
  return 0;
}
