#include <bits/stdc++.h>
using namespace std;
const long long inf = 1e18 + 7;
const long long mod = 1e9 + 7;
int factorial(int k) {
  int result = 1;
  for (int i = 1; i <= k; ++i) {
    result *= i;
  }
  return result;
}
int main() {
  int a, b;
  cin >> a >> b;
  string ans;
  if (a % 2 == 1 || b % 2 == 1)
    ans = "Odd";
  else
    ans = "Even";
  cout << ans << endl;
}
