#include <bits/stdc++.h>
using namespace std;
long gcd(long a, long b) {
  if (a % b == 0) {
    return b;
  } else {
    return gcd(b, a % b);
  }
}
long lcm(long a, long b) { return (a * b) / gcd(a, b); }
template <typename A, typename B>
inline bool chmax(A &a, B b) {
  if (a < b) {
    a = b;
    return 1;
  }
  return 0;
}
template <typename A, typename B>
inline bool chmin(A &a, B b) {
  if (a > b) {
    a = b;
    return 1;
  }
  return 0;
}
const long long INF = 1ll << 60;
const long long MOD = 1000000007;
const double EPS = 1e-10;
int a, b;
int main() {
  cin >> a >> b;
  if (a % 2 && b % 2)
    cout << "Even" << endl;
  else
    cout << "Odd" << endl;
  return 0;
}
