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