#include <bits/stdc++.h>
using namespace std;
const long long LLINF = (1LL << 60);
const long long INF = (1LL << 30);
const double DINF = std::numeric_limits<double>::infinity();
const long long MOD = 1000000007;
signed main() {
  long long a, b;
  cin >> a >> b;
  if ((a + b) % 2 == 0) {
    printf("Even\n");
  } else {
    printf("Odd\n");
  }
  return 0;
}
