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