#include <bits/stdc++.h>
using namespace std;
double const pi = 3.1415926535;
int const mod = 1000000007;
int const inf = 2147483647;
int printint(int n) {
  cout << n << endl;
  return 0;
}
int prints(string s) {
  cout << s << endl;
  return 0;
}
int main() {
  int a, b;
  cin >> a, b;
  if (a % 2 == 1 && b % 2 == 1)
    cout << "Odd" << endl;
  else
    cout << "Even" << endl;
  return 0;
}
