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