#include <bits/stdc++.h>
using namespace std;
int main() {
  int N, A;
  cin >> N, A;
  int X = 0;
  X = N * A % 2;
  if (X > 0) {
    cout << "Odd" << endl;
  } else if (X == 0) {
    cout << "Even" << endl;
  }
}
