#include <bits/stdc++.h>
using namespace std;
int gcd(int64_t a, int64_t b) { return (b == 0) ? a : gcd(b, a % b); }
int lcm(int64_t a, int64_t b) {
  int64_t i = (a / gcd(a, b)) * b;
  assert(i > 0);
  return i;
}
int main() {
  cin.tie(NULL);
  int a, b;
  cin >> a >> b;
  if ((a * b) % 2)
    std::cout << "Even" << std::endl;
  else
    std::cout << "Odd" << std::endl;
  return 0;
}
