#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using P = pair<int, int>;
const ll mod = 1000000007;
const int dx[] = {-1, 0, 1, 0};
const int dy[] = {0, -1, 0, 1};
int main() {
  int a, b;
  cin >> a >> b;
  string ans = "Odd";
  if ((a * b) % 2 == 1) ans = "Even";
  cout << ans << endl;
  return 0;
}
