#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b;
  scanf("&d &d", &a, &b);
  if ((a * b) % 2 == 0) {
    printf("Even\n");
    return 0;
  } else {
    printf("Odd\n");
    return 0;
  }
}
