#include <bits/stdc++.h>
using namespace std;
using LL = long long;
using ULL = unsigned long long;
constexpr int INF = 2000000000;
constexpr int HINF = INF / 2;
constexpr double DINF = 100000000000000000.0;
constexpr long long LINF = 9223372036854775807;
constexpr long long HLINF = 4500000000000000000;
constexpr long long MMOD = 500000004;
const double PI = acos(-1);
int dx[4] = {0, 1, 0, -1}, dy[4] = {1, 0, -1, 0};
int main() {
  int a, b;
  cin >> a >> b;
  if (a % 2 == b % 2) {
    cout << "Even" << endl;
  } else {
    cout << "Odd" << endl;
  }
}
