#include <bits/stdc++.h>
using namespace std;
const int inf = 1e9 + 7;
int main() {
  int a, b;
  cin >> a >> b;
  if (a % 2 == 0 || b % 2 == 0) {
    cout << "Even" << endl;
    return 0;
  }
  cout << "Odd" << endl;
  return 0;
}
　
