#include <bits/stdc++.h>
using namespace std;
long long gcd(long long a, long long b) { return b ? gcd(b, a % b) : a; }
long long lcm(long long a, long long b) { return a / gcd(a, b) * b; }
signed main() {
  long long a, b;
  cin >> a >> b;
  if ((a * b) & 2 == 0)
    cout << "Even" << endl;
  else
    cout << "Odd" << endl;
}
