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