#include <bits/stdc++.h>
using namespace std;
const long long MOD = (long long)1e9 + 7;
const long long INF = (long long)1e18 * 5;
signed main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  long long a, b;
  cin >> a >> b;
  if (a * b % 2) {
    puts("Even");
  } else {
    puts("Odd");
  }
  return 0;
}
