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