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