#include <bits/stdc++.h>
using namespace std;
const int inf = 1 << 30;
const int maxn = 1e3;
int main() {
  int a, b;
  cin >> a >> b;
  if ((a * b) % 2)
    printf("Even\n");
  else
    printf("Odd\n");
  return 0;
}
