#include <bits/stdc++.h>
using namespace std;
using ll = long long int;
using vi = vector<int>;
using vvi = vector<vector<int>>;
using vll = vector<ll>;
using vb = vector<bool>;
using vvb = vector<vector<bool>>;
using vs = vector<string>;
using pii = pair<int, int>;
using pis = pair<int, string>;
template <typename T>
void say(T s) {
  cout << s << endl;
}
template <typename T1, typename T2>
void say(T1 s1, T2 s2) {
  cout << s1 << " " << s2 << endl;
}
int main() {
  int a, b;
  cin >> a >> b;
  if (a % 2 == 1 && b % 2 == 0)
    say("Odd");
  else
    say("Even");
}
