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