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