#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b, s, t;
  cin >> a;
  cin >> b;
  s = a * b;
  t = s % 2;
  if (t = 1) {
    cout << "Odd";
  }
  if (t = 0) {
    cout << "Even";
  }
}
