#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b, sum;
  cin >> a >> b;
  sum = (a * b);
  if (sum % 2 == 0) {
    cout << "Even" << endl;
  } else if (sum % 3 == 0) {
    cout << "Odd" << endl;
  }
  return 0;
}
