#include <bits/stdc++.h>
using namespace std;
const long long LINF = 1e18L + 1;
const int INF = 1e9 + 1;
int main() {
  int a, b;
  cin >> a >> b;
  if (a & 1 || b & 1) {
    cout << "Odd" << endl;
  } else {
    cout << "Even" << endl;
  }
  return 0;
}
