#include <bits/stdc++.h>
using namespace std;
const long long LLINF = 9223372036854775807;
const int MOD = 1000000007;
int main() {
  int A, B;
  string result;
  if (A * B % 2 == 0)
    result = "Even";
  else
    result = "Odd";
  cout << result << endl;
  return 0;
}
