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