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