#include <bits/stdc++.h>
using namespace std;
bool isEverNumber(int number) {
  if (number % 2 == 0)
    return true;
  else
    return false;
}
int main(void) {
  int A, B;
  cin >> A >> B;
  if (isEverNumber(A * B))
    cout << "Ever" << endl;
  else
    cout << "Odd\n";
  return 0;
}
