#include <bits/stdc++.h>
using namespace std;
void Show(vector<vector<int>> Ns) {
  for (int i = 0; i < Ns.size(); i++) {
    for (int j = 0; j < Ns[i].size(); j++) {
      if (j == Ns[i].size() - 1) {
        cout << Ns[i][j] << endl;
      } else {
        cout << Ns[i][j] << ",";
      }
    }
  }
}
void Show(vector<int> N) {
  for (int i = 0; i < N.size(); i++) {
    cout << N[i];
    if (i != N.size() - 1) {
      cout << " ";
    } else {
      cout << endl;
    }
  }
}
int main() {
  int A, B;
  cin >> A >> B;
  if (A % 2 != 0 | B % 2 != 0) {
    cout << "Odd" << endl;
  } else {
    cout << "Even" << endl;
  }
}
