#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using Graph = vector<vector<int>>;
int main() {
  cin.tie(nullptr);
  ios::sync_with_stdio(false);
  int a, b;
  cin >> a >> b;
  if (a * b % 2 == 0) {
    cout << "Odd";
  } else
    cout << "Even";
}
