#include <bits/stdc++.h>
using namespace std;
const int MOD = 1000000007;
int INF = 100100100;
int main() {
  int a, b;
  if (a % 2 == 1 && b % 2 == 1)
    cout << "Odd" << endl;
  else
    cout << "Even" << endl;
  return 0;
}
